TASK DEFINITION: In this task, you need to answer the given multiple-choice question on the gain. Gain is the value by which to multiply the input. Classify your answers into 'a', 'b', 'c', 'd', and 'e'.
PROBLEM: Problem: on selling 17 balls at rs . 720 , there is a loss equal to the cost price of 5 balls . the cost price of a ball is 
Options: a ) 20 , b ) 30 , c ) 40 , d ) 50 , e ) 60

SOLUTION: e

PROBLEM: Problem: the cost price of a radio is rs . 1500 and it was sold for rs . 1110 , find the loss % ? 
Options: a ) 18 , b ) 16 , c ) 26 , d ) 17 , e ) 11

SOLUTION: c

PROBLEM: Problem: after successive discounts of 20 % , 10 % and 5 % a certain good is sold for rs . 6800 . find the actual price of the good . 
Options: a ) s . 6000 , b ) s . 9000 , c ) s . 10800 , d ) s . 9942 , e ) s . 9980

SOLUTION:
d