the total of 344 of 20 paise and 25 paise make a sum of rs . 71 . the no of 20 paise coins is
explanation : let the number of 20 paise coins be x . then the no of 25 paise coins = ( 344 - x ) . 0.20 * ( x ) + 0.25 ( 344 - x ) = 71 = > x = 300 . . answer : e ) 300
divide(subtract(multiply(344, 25), multiply(71, const_100)), subtract(25, 20))