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'.
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Question: Problem: the value of a machine depreciates at 20 % per annum . if its present value is rs . 1 , 50,000 , at what price should it be sold after two years such that a profit of rs . 30,000 is made ? 
Options: a ) 328897 , b ) 120000 , c ) 877888 , d ) 277768 , e ) 126000

Answer: e


Question: Problem: p and q invested in a business . the profit earned was divided in the ratio 4 : 5 . if p invested rs 52000 , the amount invested by q is 
Options: a ) 30000 , b ) 50000 , c ) 40000 , d ) 20000 , e ) 65000

Answer: e


Question: Problem: a and b started a business in partnership investing rs . 20,000 and rs . 15,000 respectively . after 6 months , c joined them with rs . 20,000 . whatwill be b ' s share in total profit of rs . 15,000 earned at the end of 2 years from the startingof the business ? 
Options: a ) s . 5,000 , b ) s . 4,500 , c ) s . 5,700 , d ) s . 6,500 , e ) s . 7,500

Answer:
b