X and Y are partners in a business. They invest in the ratio 5 : 6, at the end of 8 months X withdraws his capital. If they receive profits in the ratio of 5 : 9. Find how long Y's investment was used ?
A. 12 months
B. 10 months
C. 15 months
D. 14 months
Answer: Option A
Solution (By Examveda Team)
Let Y's investment is used for T months → Now by using formula$$\eqalign{ & \frac{{5 \times 8}}{{6 \times {{\text{T}}_2}}} = \frac{5}{9} \cr & {\text{T}} = 12{\text{ months}} \cr} $$
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