Question: A and B started a business with initial investments in the ratio 5 : 9 and their annual profits were in the ratio 5 : 6. If A invested the money for 9 months, for how many months did B invest his money?

(A) 6 months
(B) 7 months
(C) 8 months
(D) 10 months
(E) 12 months

Correct Answer: A
Solution and Explanation:
This problem only has one approach solution.
Approach Solution 1:
Ratio of Profits, 5/6= 5∗9/9∗t
i.e. t = 6 months
“A and B started a business with initial investments in the ratio 5 : 9”- is a topic of the GMAT Quantitative reasoning section of GMAT. This question has been taken from the book "GMAT Official Guide 2018 Quantitative Review".To solve GMAT Problem Solving questions a student must have knowledge about a good amount of qualitative skills. GMAT Quant practice papers improve the mathematical knowledge of the candidates as it represents multiple sorts of quantitative problems.

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