a train which has 300 m long , is running 80 kmph . in what time will it cross a person moving at 16 kmph in same direction ?
time taken to cross a moving person = length of train / relative speed time taken = 300 / ( ( 80 - 16 ) ( 5 / 18 ) = 300 / 64 * ( 5 / 18 ) = 300 / 20 = 15 sec answer : c
divide(300, subtract(divide(80, const_3_6), divide(divide(16, const_2), const_3_6)))