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 each edge of cube increased by 10 % , the percentage increase in 
Options: a ) 21 , b ) 22 , c ) 25 , d ) 19 , e ) 15

Answer: a


Question: Problem: a sum of money at simple interest amounts to $ 815 in 3 years and to $ 854 in 4 years . the sum is : 
Options: a ) $ 153 , b ) $ 698 , c ) $ 398 , d ) $ 549 , e ) $ 675

Answer: b


Question: Problem: in town p , 70 percent of the population are employed , and 21 percent of the population are employed males . what percent of the employed people in town p are females ? 
Options: a ) 46 % , b ) 52 % , c ) 58 % , d ) 64 % , e ) 70 %

Answer:
e