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'.
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Question: Problem: if a lends rs . 2000 to b at 15 % per annum and b lends the same sum to c at 17 % per annum then the gain of b in a period of 4 years is ? 
Options: a ) 155 , b ) 162 , c ) 157.5 , d ) 160 , e ) 157.12

Answer: d


Question: Problem: p and q invested in a shop . the profits were divided in the ratio of 5 : 2 respectively . if p invested rs . 5600 , the amount invested by q is : 
Options: a ) 3500 , b ) 5600 , c ) 2200 , d ) 2400 , e ) none

Answer: e


Question: Problem: if the annual increase in the population of a town is 4 % and the present number of people is 15625 , what will the population be in 3 years ? 
Options: a ) 15265 , b ) 16458 , c ) 25600 , d ) 17576 , e ) 14785

Answer:
d