A amp B are partners in the business A contribute 1 4 of the capital for 15 months and B receiv...........

Quantitative Aptitude ( CCS) Ratio, Proportion

A & B are partners in the business. A contribute 1/4 of the capital for 15 months and B received 2/3 of the profits. For how long was B’s money used in the business?

4 month

10 month

2 month

5 month

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Explanation:

Let the total profit be Rs. z. Then,
B's share = Rs. 2z/3, A's share = Rs. ( z - 2z/3 ) = Rs. z/3.
A : B = z/3 : 2z/3 = 1:2
Let the total capital be Rs, X and suppose B's money was used for x months. Then.
(1(x) / 4 * 15) / (3x) / 4 * y) = 1/2 <=> y = (15 * 2 / 3) = 10 .
Thus, B's money was used for 10 months.