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Favorable number of outcomes; Total number of outcomes; Probability ranges between 0 and 1. 1. Learn Amazing Formulas and solve Quantitative Aptitude Questions for Placement with PrepInsta. Two types in black color and other two types in red color. For example, we generally say, 'it may rain today'. The basic understanding of this concept is very essential to understand different types of probability problems given in the examination and solve by probability … Probability Important Formulas on Aptitude questions and answers for interview, competitive examination, entrance test and Career Test A thorough theoretical understanding about various counting techniques will help you to tackle all the aptitude questions from this area in an interesting way with the help of tricks & important formulas. Probability Basics and Formulas. Probability or chance is a common term used in day-to-day life. These are some of the basic and important quantitative aptitude formulas. Consider a die is thrown and A be the event of getting $2$ or $4$ or $6$ and B be the event of getting $4$ or $5$ or 6. When two coins are tossed, probability of getting a Head (H) in the first toss and getting a Tail (T) in the second toss. Our teachers never told us so easy methods. Statistics Formulas. Maths Formula PDF, SSC Maths Formulas PDF Free Download, Aptitude Formulas PDF: Welcome to all of you once again on Job-Adda.in as you all know that we keep coming here every day with the best Study Material, in the same way, today we have brought for you all Maths Formulas PDF.In this post, maths all formulas pdf and their full details have been described. Before we enter in to the stuff probability, we must be aware of the pack of 52 playing cards. All details about Probability. “Success is the progressive realization of a worthy goal! In the above four types, we will have 13 cards in each type. Any subset of a Sample Space is an event. Taking a ball randomly from a bag containing balls of different colours. of possible outcomes) P(E) = n(E)/n(U) where n(E)= no. In the case of compound events, we take the probability of joint occurrence of two or more events. Hello Friends, Today we are presenting an article on “How to Solve Probability Questions in competitive examination. Let A and B are two events with sample space S. Then, A $\cup$ B is the event that either A or B or both occur. Permutations and combinations. C. 3/4. Example Questions Using Probability Formulas. Aptitude Shortcuts PDF and Mind Tricks Tips in PDF. Probability is very important chapter,Here we put down some formula and Facts that are based on this chapter after that we give some examples related on formula and chapter,which help you better understand about this chapter. This is the aptitude questions and answers section on "Probability Important Formulas" with explanation for various interview, competitive examination and entrance test. The questions from this topic are mainly checking the skill of an aspirant in logical counting. ... Probability and Combinatorics. D. 4/1. Probability of an Event. It is shown in the picture given below. You will find solved aptitude examples with detailed explanation and important formulas. 2. Identifying when a probability is a conditional probability in a word problem This is the aptitude questions and answers section on "Probability Important Formulas" with explanation for various interview, competitive examination and entrance test. A be the event of getting $2$ or $4$ or $6$ and B be the event of getting $4$ or $5$ or $6.$ Then, $\text{A}=\{2,4,6\}\text{ and B }=\{4,5,6\}$ $\text{A}\cup\text{B}=\{2,4,5,6\}\\ \text{A}\cap\text{B}=\{4,6\}\\ \bar{\text{A}}=\{1,3,5\}\\ \bar{\text{B}}=\{1,2,3\}\\ \bar{\text{A}}\cap\bar{\text{B}}=\{1,3\}$, I am class 10. Profit and Loss, Discount. Two or more than two events are said to be mutually exclusive if the occurrence of one of the events excludes the occurrence of the other. Go to Aptitude, Reasoning and Quants Formulas & Notes Probability . Solved examples with detailed answer description, explanation are given and it would be easy to understand. If you’re going to take a probability exam, you can better your chances of acing the test by studying the following topics. Probability based problems and equations, formulas. Probability questions are an important part of Quantitative aptitude section of most competitive exams like SBI, IBPS, PO/Clerk, LIC-AAO etc.These questions are asked frequently so it becomes really relevant to know the right technique of solving these questions. Number of Ace cards in a deck of cards = 4. By. There are four types of cards in the pack of 52 cards. Learn Quantitative Aptitude – Quants : Formulas, Tips, Tricks, Shortcuts & Questions. At Quantitative Aptitude topic Probability page No: 1 you will find list of 10 practice questions, tips/trick and shortcut to solve questions, solved questions, quiz, and download option to download the whole question along with solution as pdf format for offline practice. Each of the above mentioned categories has $13$ cards, $9$ cards numbered from $2$ to $10,$ an Ace, a King, a Queen and a jack. Probability is a measure of how likely an event is to occur. Let E be an event and S be the sample space. Now if you have anything in your mind to ask then feel free to ask us your questions. A thorough theoretical understanding about various counting techniques will help you to tackle all the aptitude questions from this area in an interesting way with the help of tricks & important formulas. – Earl Nightingale” SSC CGL Tier-1 Short Tricks and Formulas – Learn as Quickly as Possible! Probability is a type of ratio where we compare how many times an outcome can occur compared to all possible outcomes. Permutations and combinations. A dice is a solid cube, having 6 faces, marked 1, 2, 3, 4, 5, 6 respectively. When we have two or more groups whose individual averages are known, then to find the combined average of all elements of all the groups we use weighted average. Plural of die is dice. – Earl Nightingale” SSC CGL Tier-1 Short Tricks and Formulas – Learn as Quickly as Possible! We can define the word ‘Probability’ as - A measure of how likely an event is to occur’. So, that will help you more. Solved examples with detailed answer description, explanation are given and it would be easy to understand. When a dice is thrown, we get $1$ or $2$ or $3$ or $4$ or $5$ or 6. Cards of hearts and diamonds are red cards. That means in a total of 5 occurrences, 2 times the occurrences are in my favor. Then probability of the event E … For example, we generally say, 'it may rain today'. Answer: Option C. Explanation : Total available outputs when tossed two coins once = {(H,H),(H,T),(T,H),(T,T)} ∴ Required Probability = 3/4. © 2009 - 2020 by IndiaBIX™ Technologies. Revise with SSC Math quick notes, containing formulas and short tricks. When we throw a die, the outcome is the number that appears on its upper face. Spade - 13 cards 4. Probability of head in a toss=1/2 An experiment in which all possible outcomes are know and the exact output cannot be predicted in advance, is called a random experiment. It is shown in the picture given below. This statement has a certain uncertainty. There are four types of cards in the pack of 52 cards. Simple interest and compound interest. Example 1: What is the probability that a card taken from a standard deck, is an Ace? Probability: Probability of Event: No. To clear the concept of solving Probability Questions, there are … Statistics is the study of the collection, analysis, interpretation, presentation, and organization of data. - Cost Price (C.P) 2.Loss = C.P. A quantitative measure of the chance of occurrence of a particular event. This statement has a certain uncertainty. Hello Friends, Today we are presenting an article on “How to Solve Probability Questions in competitive examination. A. Two types in black color and other two types in red color. Probability is expressed in the form of fractions. The questions from this topic are mainly checking the skill of an aspirant in logical counting. 1. Die is a small cube used in games. Basic formulas for Probability. - S.P. Hearts and Diamonds are red faced cards whereas Spades and Clubs are black faced cards. In rolling a dice, we have, S = {1, 2, 3, 4, 5, 6}. Ty. Probability: Probability of Event: No. In exams only Dice, Coin and ball related examples are given. When a die is rolled, outcome of getting $1$ or $2$ or $3$ or $4$ or $5$ or $6$ is an event. Learn and practice basic word and conditional probability aptitude questions with shortcuts, useful tips to … Learn Quantitative Aptitude – Quants : Formulas, Tips, Tricks, Shortcuts & Questions. If you need more detailed concepts on other sections, you may find it here. The only thing you need to do is to do your math problems correctly and within time, and this can be achieved only by using shortcut tricks. The relationship between mutually exclusive and independent events . Logarithms, surds and indices. That means in a total of 5 occurrences, 2 times the occurrences are in my favor. For any events A and B we have – P (A ∪ B) = P (A) + P (B) – P (A ∩ B) If denotes (not A), then P () = 1 – P (A) So this is the basic idea of Probability. When we throw a coin, then either a Head (H) or a Tail (T) appears. The pass percentage of these … Any subset of a sample space is called an event. Math Formulas. This is the aptitude questions and answers section on "Probability" with explanation for various interview, competitive examination and entrance test. Important Note: Though I have shared all my formulas and tricks for Quants in this fomula book, I would urge you to create a formula book of your own.That is because our retention greatly depends on writing things down ourselves. Exhaustive event is the total number of all possible outcomes of an experiment. An and having X1, X2, X3, X4, ……. Probability Study Tips. An unbiased die is rolled. This is the aptitude questions and answers section on "Probability" with explanation for various interview, competitive examination and entrance test. In this section of quantitative aptitude, we will learn about the concept of probability keeping in mind the type and level, of questions that are asked in all the crucial competitive exams. 3.Gain % = Gain * 100 / C.P. Let E be an event and S be the sample space. How to solve Probability hard problems. of possible outcomes) P(E) = n(E)/n(U) where n(E)= no. Probability Aptitude basics, practice questions, answers and explanations Prepare for companies tests and interviews Probability of an event= (No of occurrences of an event)/(Total no. of Possible Outcomes. Conditional Probability. Diamond - 13 c… Heart - 13 cards 3. Probability Aptitude basics, practice questions, answers and explanations Prepare for companies tests and interviews Probability of an event= (No of occurrences of an event)/(Total no. “Success is the progressive realization of a worthy goal! Statistics Formulas. When a coin is tossed, we get either Head or Tail. Or, P (A) = n (A)/n (S) Where, P (A) is the probability of an event “A”. Events are generally denoted by capital letters A, B , C, D etc. Probability or chance is a common term used in day-to-day life. If all the possible outcomes of an experiment are known but the exact output cannot be predicted in advance, that experiment is called a random experiment. This is because the occurrence of getting Tail(T) in any toss does not influence the occurrence of getting Tail(T) in the other toss. The Probability definition might be confusing, but when you understand it you can easily solve even the toughest problems. Let A and B be two events associated with a random experiment. Cards of spades and clubs are black cards. Difficult questions on Probability and its explanation with examples. Learn Amazing Formulas and solve Quantitative Aptitude Questions for Placement with PrepInsta. Follow the above strategies to start your preparation for Quantitative Aptitude Section in SSC CGL Tier-1. Before we enter in to the stuff probability, we must be aware of the pack of 52 playing cards. Formula for Conditional Probability. When we perform an experiment, then the set S of all possible outcomes is called the sample space. If you’re going to take a probability exam, you can better your chances of acing the test by studying the following topics. There are Kings, Queens and Jacks. Frequently asked simple and hard probability problems or questions with solutions on cards, dice, bags and balls with replacement covered for all competitive exams,bank,interviews and entrance tests. Probability is expressed in the form of fractions. But it doesn’t mean that you can’t do math problems without using any shortcut tricks. Drawing a card from a pack of shuffled cards, A pack or deck of playing cards has $52$ cards which are divided into four categories as Spades (♠) Clubs (♣) Hearts (♥) and Diamonds (♦). Probability P (E) = Number of Wanted Outcomes / Number of Possible Outcomes Probability is always between 0 and 1 Heart - 13 cards 3. When a dice is thrown, all the six faces $(1, 2, 3, 4, 5, 6)$ are equally likely to occur. Probability Study Tips. Spade - 13 cards 4. This page contains questions and answers on Probability that are mostly asked in competitive exams, interviews, and entrance tests. You may have that potential that you may do math… An experiment is an operation which can produce well-defined outcomes. Identifying when a probability is a conditional probability in a word problem Statistics is a branch of mathematics which deals with numbers and data analysis. Let us come to know the following stuff related the pack of 52 playing cards. Events are said to be equally likely if there is no preference for a particular event over the other. - You can directly jump to Aptitude Test Questions on Probability Tip #1: Categorize the events as mutually dependent, independent or exclusive. Hence there are $4~(=2^2)$ exhaustive events. August 25, 2020 . Probability or Chance. The likelihood of the occurrence of a particular event. of Favorable Outcomes/Total no. Probability Range: 0 ≤ P(A) ≤ 1; Rule of Addition: P(A∪B) = P(A) + P(B) – P(A∩B) Rule of Complementary Events: P(A’) + P(A) = 1; Disjoint Events: P(A∩B) = 0; Independent Events: P(A∩B) = P(A) . If A denotes (not-A), then P(A) = 1 - P(A). They have a high probability of being on the exam. So, the number of favourable outcomes = 4. P(B) Conditional Probability: P(A | B) = P(A∩B) / P(B) Bayes Formula: P(A | B) = … For blogs on other … When two coins are tossed, the possible outcomes are (H, H), (H, T), (T, H), (T, T). If you need more detailed concepts on other sections, you may find it here. Sample Space is the set of all possible outcomes of an experiment. (i.e., at least one of A or B occurs), A $\cap$ B is the event that both A and B occur, $\bar{\text{A}}$ is the event that A does not occur, $\bar{\text{A}}\cap\bar{\text{B}}$ is the event that none of A and B occurs, Consider a die is thrown. At Quantitative Aptitude topic Probability page No: 1 you will find list of 10 practice questions, tips/trick and shortcut to solve questions, solved questions, quiz, and download option to download the whole question along with solution as pdf format for offline practice. Frequently asked simple and hard probability problems or questions with solutions on cards, dice, bags and balls with replacement covered for all competitive exams,bank,interviews and entrance tests. Head and Tail cannot come simultaneously. We also share information about your use of our site with our social media, advertising and analytics partners. Then. Probability Formula. Remainder theorem. When a coin is tossed, Head (H) or Tail is equally likely to occur. Home » Quantitative Aptitude » Aptitude Math Shortcut Methods Part I Download In Pdf. 6.S.P. Mutually Dependent Events: 2 or more events are that are such that the occurrence of one affects the occurrence of the other. Aptitude model questions pdf on Probability. The four different types of cards are shown in the picture given below. n (S) is the total number of events in the sample space. Probability is a measure of the likelihood of an event to occur. Conclusively we can say that ‘Probability is the measure of Uncertainty’. Note: If A and B are mutually exclusive events, A $\cap$ B = $\phi$ where $\phi$ represents empty set. For any events A and B we have : P(A $$\cup$$ B) = P(A) + P(B) - P(A $$\cap$$ B) If … 1. Bayes theorem of Conditional probability. Probability is a measure of how likely an event is to occur. admin - January 1, 2018. Favorable number of outcomes; Total number of outcomes; Probability ranges between 0 and 1. of Favorable Outcomes/Total no. Hence A and B are not mutually exclusive events. of occurrences of event; n(U)= total possible outcomes. The probability of all the events in a sample space adds up to 1. Probability questions are an important part of Quantitative aptitude section of most competitive exams like SBI, IBPS, PO/Clerk, LIC-AAO etc.These questions are asked frequently so it becomes really relevant to know the right technique of solving these questions. 7. 7. Set Theory and Venn diagrams. Exams Download Free PDF Hence along with the expert in conceptual and analytical one has to master the speed of solving questions also. Let us also see probability problems. Then the conditional probability of the occurrence of B given that A has already occurred is. Solved examples with detailed answer description, explanation are given and it would be easy to understand. Probability is a fundamental concept in math and statistics. Profit and Loss, Discount. Formula for Conditional Probability. When a coin is tossed, we get either Head or Tail. You will find solved aptitude examples with detailed explanation and important formulas. List of Formulas useful for solving aptitude questions 1.Gain = Selling Price (S.P.) Simple interest and compound interest. The topic “Probability Tricks and Probability Formulas for Aptitude” is very important for aspirants of SSC, IBPS banking, GMAT exams. 4.Loss % = Loss * 100 / C.P. The topic “Probability Tricks and Probability Formulas for Aptitude” is very important for aspirants of SSC, IBPS banking, GMAT exams. Hence occurrence of Head and Tail are mutually exclusive events. Solved examples with detailed answer description, explanation are given and it would be easy to understand. If two coins are tossed, the S = {HH, HT, TH, TT}. 3 TIPS on cracking Aptitude Questions on Probability Looking for Questions instead of tips? An operation which can produce some well-defined outcomes is called an experiment. Kings, Queens and Jacks are called face cards. The Probability definition might be confusing, but when you understand it you can easily solve even the toughest problems. ... Probability and Combinatorics. When a die is rolled, we get $1$ or $2$ or $3$ or $4$ or $5$ or $6.$ All these faces cannot come simultaneously. Math section in a competitive exam is the most important part of the exam. Exams Download Free PDF Hence along with the expert in conceptual and analytical one has to master the speed of solving questions also. 5.S.P. Diamond - 13 c… Probability for Class 10 is an important topic for the students which explains all the basic concepts of this topic. Picking up a ball of certain colour from a bag containing balls of different colours. Use this book to supplement your own formula book and see if you can add anything additional to it from my compilation. 3 TIPS on cracking Aptitude Questions on Probability Looking for Questions instead of tips? Quantitative Aptitude section checks the numerical ability, calculation ability and logical formula application of the candidates. Probability of getting a Head (H) when a coin is tossed, Probability of getting $1$ when a die is thrown. Aptitude. If one student is picked from a group of 6 boys and 7 girls. Maths Formula PDF, SSC Maths Formulas PDF Free Download, Aptitude Formulas PDF: Welcome to all of you once again on Job-Adda.in as you all know that we keep coming here every day with the best Study Material, in the same way, today we have brought for you all Maths Formulas PDF.In this post, maths all formulas pdf and their full details have been described. But only math portion can leads you to a good score. Hence there are $6$ exhaustive events. Events can be said to be independent if the occurrence or non-occurrence of one event does not influence the occurrence or non-occurrence of the other. To clear the concept of solving Probability Questions, there are … Probability: Probability Formulas, Probability Meaning, Conditional Probability Definition, Probability Problems, Probability Questions with Solved Exercises Aptitude Tips - Probability Tips Aptitude Test - Probability MCQ Test B. It has 13 cards of each suit, name Spades, Clubs, Hearts and Diamonds. - You can directly jump to Aptitude Test Questions on Probability Tip #1: Categorize the events as mutually dependent, independent or exclusive. Club - 13 cards 2. Logarithms, surds and indices. We use cookies to personalise content and ads, to provide social media features and to analyse our traffic. n (A) is the number of favourable outcomes. Probability of Occurrence of an Event: Let S be the sample and let E be an event. That doesn’t mean that other topics are less important. Follow the above strategies to start your preparation for Quantitative Aptitude Section in SSC CGL Tier-1. For any events A and B we have : P(A B) = P(A) + P(B) - P(A B). Quantitative Aptitude Formulas & Shortcut Tricks for All Govt Jobs Exam Quantitative Aptitude Formulae List for Govt. They have a high probability of being on the exam. August 25, 2020 . Aptitude on Probability for bank jobs, government jobs, private jobs. This page contains questions and answers on Probability that are mostly asked in competitive exams, interviews, and entrance tests. Quantitative Aptitude Made Simpler – Problems on Ages (Basics and Methods, Examples, Math Tricks) The average age of husband, wife and their child 3 years ago was 27 years and that of wife and the child 5 years ago was 20 years. These are all called face cards. Basics of Probability aptitude concepts. For blogs on other … For example, … P(E) = $$\frac{n(E)}{n(S)}$$ Results on Probability: P(S) = 1 $$0 \le P(E) \le 1$$ $$P( \phi )$$ = 0. When a coin is tossed, outcome of getting head or tail is an event. This is the aptitude questions and answers section on "Probability Important Formulas" with explanation for various interview, competitive examination and entrance test. Mutually Dependent Events: 2 or more events are that are such that the occurrence of one affects the occurrence of the other. Solved examples with detailed answer description, explanation are given and it would be easy to understand. We can define the word ‘Probability’ as - A measure of how likely an event is to occur’. The four different types of cards are shown in the picture given below. Drawing a card from a pack of well-shuffled cards. Probability Quiz Online Test: Now, follow this article, and you will get the answer to most of the questions like Probability Aptitude Tricks, Probability Aptitude Questions and Answers PDF, Probability Exam Questions and Answers, Probability Questions and Answers, Hard Probability Questions, Probability Problems for Aptitude with Solutions, Probability Aptitude Formulas, etc..,. Then, $$E \subseteq S$$. Download Quantitative Aptitude formulas for CAT: Click on each formula sheet and download individually below. Probability can range in from 0 to 1, where 0 means the event to be an impossible one and 1 indicates a certain event. The basic understanding of this concept is very essential to understand different types of probability problems given in the examination and solve by probability … In the above four types, we will have 13 cards in each type. All Rights Reserved. Then probability of the event E … Hence there are $2$ exhaustive events. Note: Here, the favourable outcome means the outcome of interest. Probability is the number of ways of achieving success to the total number of possible outcomes. Download Quantitative Aptitude formulas for CAT: Click on each formula sheet and download individually below. • Chapter-wise math formulae can be downloaded in PDF format by Students from class 6 to 12. Solved examples with detailed answer description, explanation are given and it would be easy to understand. The relationship between mutually exclusive and independent events . You can get good score only by practicing more and more. of Possible Outcomes. The probability of event A is often written as P(A). Here A $\cap$ B $\neq \phi$. Solution: Total number of cards a standard pack contains = 52. Vedantu has a list of basic and advanced probability formulas essential in every syllabus for class 6 to 12 • Students can access the free of cost formulae anytime. When we toss a coin, the outcome will be either Head (H) or Tail (T). This is the aptitude questions and answers section on "Probability Important Formulas" with explanation for various interview, competitive examination and entrance test. Bayes theorem of Conditional probability. When a die is thrown or rolled, the outcome is the number that appears on its upper face and it is a random integer from one to six, each value being equally likely. Xn elements then the weighted average is given by the formula. These are some of the basic and important quantitative aptitude formulas. = (100+Gain%)/100*C.P. | Copyright | Terms of Use & Privacy Policy, Contact us: info.india- @ -bix@gma@il.com. Revise with SSC Math quick notes, containing formulas and short tricks. It has six faces and each of the six faces shows a different number of dots from $1$ to $6$. Club - 13 cards 2. Hence occurrences of particular faces when rolling a die are mutually exclusive events. When a coin is tossed twice, the event of getting Tail(T) in the first toss and the event of getting Tail(T) in the second toss are independent events. 1/2. Probability is the number of ways of achieving success to the total number of possible outcomes. Probability is quantitative measure of the chance of occurrence of a particular event. Conclusively we can say that ‘Probability is the measure of Uncertainty’. 7/8. Set Theory and Venn diagrams. Conditional Probability. Now we will discuss some basic ideas of Probability. Quantitative Aptitude Made Simpler – Problems on Ages (Basics and Methods, Examples, Math Tricks) The average age of husband, wife and their child 3 years ago was 27 years and that of wife and the child 5 years ago was 20 years. Probability or chance is a common term used in day-to-day life. Find the probability of a) Getting a multiple of 3 b) getting a prime number. Quantitative Aptitude Formulas & Shortcut Tricks for All Govt Jobs Exam Quantitative Aptitude Formulae List for Govt. Then the conditional probability of the occurrence of B given that A has already occurred is. Remainder theorem. In the case of simple events, we take the probability of occurrence of single events. Let A and B be two events associated with a random experiment. If we have “n” groups with averages A1,A2, A3, A4 ……. … Dear Readers, there are so many tricks and tips to solve the aptitude questions in the bank exams, and it was more essential one to save time and complete our exam on time. Probability of head in a toss=1/2 If two coins tossed once, what is the probability of occurrence of the head at least once? Example-1 : A school has only 3 classes that contain 20, 30 and 10 students respectively. Aptitude. It is denoted by S. When a coin is tossed, S = {H, T} where H = Head and T = Tail, When a dice is thrown, S $=\{1, 2 , 3, 4, 5, 6\}$, When two coins are tossed, S = {HH, HT, TH, TT} where H = Head and T = Tail. Generally say, 'it may rain today ' site with our social media and! Ball randomly from a bag containing balls of different colours let E be an event to occur ’ to total. Will find solved Aptitude examples with detailed explanation and important Quantitative Aptitude Formulas & notes probability will some! – Learn as Quickly as possible probability aptitude formulas for various interview, competitive examination entrance... A group of 6 boys and 7 girls faced cards whereas Spades and Clubs are black faced.. A high probability of being on the exam share information about your use of our site with social... Math and statistics from my compilation occurrence of one affects the occurrence of B given that a from... With examples a prime number of 52 cards and ball related examples are given and would! A and B be two events associated with a random experiment to understand, government jobs, private.... S ) is the total number of Ace cards in the pack of well-shuffled cards Quickly... If you need more detailed concepts on other sections, you may find it here for Quantitative Aptitude.. { 1, 2 times the occurrences are in my favor once, what is the progressive realization a! Nightingale ” SSC CGL Tier-1 short Tricks die, the favourable outcome the! 3 B ) getting a multiple of 3 B ) getting a number... Analytics partners experiment is an important topic for the students which explains the. Called an experiment, then the weighted probability aptitude formulas is given by the formula given it. Are called face cards to be equally likely to occur Learn Quantitative Aptitude Formulae List for Govt measure... Formula book and see if you need more detailed concepts on other sections, you may find it here presentation! ) = no your Questions must be aware of the chance of of! Explains all the events in a deck of cards in a total of 5 occurrences, 2, 3 4... Has to master the speed of solving Questions also a deck of in... And Tail are mutually exclusive events presenting an article on “ how to solve probability Questions in competitive examination between! Math Formulae can be downloaded in PDF and Formulas – Learn as Quickly as possible ) getting a number! Events, we have “ n ” groups with averages A1, A2, A3, ……..., 30 and 10 students respectively Quants: Formulas, Tips, Tricks, Shortcuts Questions! The occurrence of the occurrence of B given that a has already occurred is Quants Formulas & Tricks... 1 - P ( a ) is the study of the event E … Aptitude on probability its! Standard pack contains = 52 outcome is the number of ways of achieving success to total. And more might be confusing, but when you understand it you can easily solve even toughest! From Class 6 to 12 that other topics are less important outcomes ; total of. With the expert in conceptual and analytical one has to master the speed of solving Questions also, we the! Math portion can leads you to a good score probability and its explanation with examples to all outcomes... Called the sample and let E be an event Questions instead of Tips TT... Card taken from a standard deck, is an event to occur also! The Head at least once of Tips – Quants: Formulas,,! Presenting an article on “ how probability aptitude formulas solve probability Questions in competitive examination Head! Or more events are said to be equally likely to occur of all possible outcomes etc..., what is the progressive realization of a sample space is the measure of how an! That other topics are less important have anything in your mind to ask us your...., A3, A4 …… in rolling a die are mutually exclusive events Placement with...., what is the number of favourable outcomes Tail are mutually exclusive events event: let S be the and... Formulas useful for solving Aptitude Questions on probability Looking for Questions instead of Tips Spades, Clubs, hearts Diamonds... The basic concepts of this topic Head in a sample space it be. Coin, the outcome probability aptitude formulas getting Head or Tail ( t ) its upper face Formulas, Tips Tricks... Doesn ’ t mean that you can add anything additional to it from my compilation a Tail ( )... That you can easily solve even the toughest problems event to occur ratio where compare... Then feel Free to ask then feel Free to ask us your Questions produce some well-defined outcomes is called experiment! Find solved Aptitude examples with detailed explanation and important Quantitative Aptitude Questions Placement! Four different types of cards are shown in the pack of 52 cards... Basic ideas of probability 6 faces, marked 1, 2,,. A Head ( H ) or Tail use this book to supplement own!, S = { HH, HT, TH, TT } sections, may! 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Formulas useful for solving Aptitude Questions and answers section on  probability '' with explanation for various interview, examination... Many times an outcome can occur compared to all possible outcomes of an aspirant in logical counting expert... To 1 Aptitude math Shortcut Methods Part I Download in PDF,,. A group of 6 boys and 7 girls sample and let E be an event probability aptitude formulas. Pdf format by students from Class 6 to 12 exhaustive events, A4 …… = Selling Price ( C.P 2.Loss... Event ; n ( U ) where n ( a ) is the number of ways of success... Price ( C.P ) 2.Loss = C.P, Head ( H ) or a Tail ( t.. You may find it here 1: what is the probability of occurrence of or... To ask then feel Free to ask then feel Free to ask then feel Free to us. Of all possible outcomes ) P ( a ) your mind to ask then feel to... Are$ 4~ ( =2^2 ) $exhaustive events = 1 - (. Gmat exams success to the total number of all possible outcomes = 52 that the occurrence of two or events! 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