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: what annual payment will discharge a debt of rs . 1030 due in 2 years at the rate of 5 % compound interest ? 
Options: a ) 553.94 , b ) 551.25 , c ) 534.33 , d ) 543.33 , e ) 646.33

SOLUTION: a

PROBLEM: Problem: a number increased by 20 % gives 480 . the number is ? 
Options: a ) 200 , b ) 300 , c ) 400 , d ) 500 , e ) 600

SOLUTION: c

PROBLEM: Problem: the true discount on a bill due 9 months hence at 16 % per annum is rs . 210 . the amount of the bill is 
Options: a ) 1200 , b ) 1960 , c ) 1600 , d ) 1354 , e ) none of these

SOLUTION:
b