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'.

Q: Problem: population of a city in 20004 was 1000000 . if in 2005 there isan increment of 15 % , in 2006 there is a decrements of 35 % and in 2007 there is an increment of 30 % , then find the population of city atthe end of the year 2007 
Options: a ) 976374 , b ) 971750 , c ) 980241 , d ) 2356677 , e ) 1083875

A: b
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Q: Problem: find number which is 60 % less than 120 . 
Options: a ) 18 , b ) 22 , c ) 28 , d ) 48 , e ) 98

A: d
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Q: Problem: a person borrows rs . 6000 for 2 years at 4 % p . a . simple interest . he immediately lends it to another person at 6 p . a for 2 years . find his gain in the transaction per year . 
Options: a ) 120 rs , b ) 150 rs , c ) 160 rs , d ) 180 rs , e ) 200 rs

A:
a
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