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: find the simple interest on rs . 520 for 7 months at 8 paisa per month ? 
Options: a ) 277 , b ) 270 , c ) 291 , d ) 266 , e ) 121

SOLUTION: c

PROBLEM: Problem: how long will a boy take to run round a square field of side 50 meters , if he runs at the rate of 10 km / hr ? 
Options: a ) 52 sec , b ) 45 sec , c ) 72 sec , d ) 25 sec , e ) 39 sec

SOLUTION: c

PROBLEM: Problem: how many liters of water must be evaporated from 50 liters of a 4 - percent sugar solution to get a 10 - percent solution ? 
Options: a ) 30 , b ) 32 , c ) 34 , d ) 36 , e ) 38

SOLUTION:
a