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'.

[EX Q]: Problem: if each edge of cube increased by 30 % , the percentage increase in
Options: a ) 69 , b ) 72 , c ) 64 , d ) 61 , e ) 75
[EX A]: a

[EX Q]: Problem: there were two candidates in an election . winner candidate received 62 % of votes and won the election by 324 votes . find the number of votes casted to the winning candidate ?
Options: a ) 456 , b ) 837 , c ) 912 , d ) 1200 , e ) 1400
[EX A]: b

[EX Q]: Problem: albert invested rs . 8000 in a scheme for 2 years at compound interest rate 5 % p . a . how much amount will albert get on maturity of the fixed deposit ?
Options: a ) 8840 , b ) 2776 , c ) 2998 , d ) 2662 , e ) 8820
[EX A]:
e