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: 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

A: b
****
Q: Problem: a money lender lent rs . 1000 at 4 % per year and rs . 1400 at 5 % per year . the amount should be returned to him when the total interest comes to rs . 350 . find the number of years . 
Options: a ) 3.2 , b ) 3.75 , c ) 4 , d ) 4.25 , e ) 4.5

A: a
****
Q: Problem: a 5 % stock yields 10 % . the market value of the stock is : 
Options: a ) rs . 56 , b ) rs . 55 , c ) rs . 50 , d ) rs . 90 , e ) rs . 75

A:
c
****