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 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
[EX A]: b

[EX Q]: Problem: the sale price sarees listed for rs . 495 after successive discount is 15 % and 10 % is ? 
Options: a ) 288 , b ) 378 , c ) 342 , d ) 662 , e ) 262
[EX A]: b

[EX Q]: Problem: find the simple interest for rs . 2000 at 8 % p / a for 2 years . 
Options: a ) rs . 300 , b ) 3 rs . 20 , c ) rs . 420 , d ) rs . 520 , e ) rs . 460
[EX A]:
b