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 rs . 420 amount to rs . 540 in 4 years , what will it amount to in 6 years at the same rate % per annum ? 
Options: a ) s . 575 , b ) s . 595 , c ) s . 590 , d ) s . 600 , e ) s . 585

A: d
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Q: Problem: a , b and c started a business with capitals of rs . 8000 , rs . 10000 and rs . 12000 respectively . at the end of the year , the profit share of b is rs . 1700 . the difference between the profit shares of a and c is ? 
Options: a ) 288 , b ) 266 , c ) 155 , d ) 680 , e ) 441

A: d
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Q: Problem: what is the compound interest paid on a sum of rs . 4500 for the period of 2 years at 10 % per annum . 
Options: a ) 945 , b ) 620 , c ) 610 , d ) 600 , e ) none of these

A:
a
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