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: 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
a

Problem: the population of a town is 10000 . it increases annually at the rate of 27 % p . a . what will be its population after 2 years ?
Options: a ) 14000 , b ) 14400 , c ) 16129 , d ) 14600 , e ) 14700
c

Problem: what is the rate percent when the simple interest on rs . 1200 amount to rs . 160 in 4 years ?
Options: a ) 3.3 % , b ) 7 % , c ) 9 % , d ) 2 % , e ) 4 %
a