A and B invest in the ratio of 3 : 5 respectively. After 6 months , C enters the business with the investment of the capital equal to that of B. What will be the ratio of the profits of A,B and C at the end of year?

A) 6 : 10 : 5

B) 3 : 5 : 5

C) 3 : 5 : 2

D) 6 : 2 : 3

Correct answer:
A) 6 : 10 : 5

Description for Correct answer:
Let investment of A = 3x
Investment of B = 5x
Investment of C = 5x

As we know ratio of profits = Ratio of investments
A's share : B's share : C's share

= 3x X 12 : 5x X 12 :5x X (12 - 6)

= 3x X 12 : 5x X 12 :5x X 6 = 6 : 10 : 5


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