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: if 45 % of z is 96 % of y and y is 75 % of x , what percent of x is z ? 
Options: a ) 200 , b ) 160 , c ) 100 , d ) 65 , e ) 50

A: b
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Q: Problem: a reduction of 40 % in the price of bananas would enable a man to obtain 64 more for rs . 40.00001 , what is reduced price per dozen ? 
Options: a ) 6 , b ) 5 , c ) 4 , d ) 3 , e ) 2

A: d
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Q: Problem: the compound interest on $ 27,000 at 11 % p . a is $ 11,000 . find out the period ( in years ) ? 
Options: a ) 2.5 , b ) 3 1 / 4 , c ) 3 , d ) 2 3 / 4 , e ) 4

A:
b
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