A and B are partners in a business. A contributes \(\frac{3}{7}\) of the capital for 9 months and B received \(\frac{4}{13}\) of the profit. For how long B's money was used?
Answer & explanation
Correct answer: option 3
A B Total
Capital 3 4 ⇒ 7
Time 9 x
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Profit 9 4 ⇒ 13
Now, ATQ
\(\frac{3 × 9}{4 × x}\) = \(\frac{9}{4}\)
x = 3
x = 3 months