B rsquo s investment in 2015 is 6000 less than that of A in same year C rsquo s profit in 2015 is Rs...........

Quantitative Aptitude ( CCS) Compound Interest

Directions : Study the following table carefully and answer the questions that follow:
Three persons A, B, C invested different amounts in different years for different time period and shared profit from total profit given as per table. Some values are missing. Answer the questions on the basis of given table and information in question.

B’s investment in 2015 is 6000 less than that of A in same year. C’s profit in 2015 is Rs 17,500. Find for how many months did C invest his money in 2015?

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Explanation:

B’s investment in 2015 = 24000 – 6000 = 18000
So
Ratio of profits of A : B : C is
24000*9 : 18000*12 : 21000*Y
72 : 72 : 7y
So 7y/(72+72+7y) * 57500 = 17500
Solve, Y = 9