### A began a business with Rs. 85,000. He was joined afterwards by B with Rs. 42,500. For how much period does B join, if the profits at the end of the year are divided in the ratio of 3 : 1?

A. 4 months B. 5 months C. 6 months D. 8 months Answer: Option D

### Solution(By Apex Team)

Suppose, B joined for x months Then, \begin{aligned}&\frac{85000\times12}{42500\times x}=\frac{3}{1}\\ &\Rightarrow x=\frac{85000\times12}{42500\times3}=8\end{aligned} So, B joined for 8 months

A. 5 : 7 : 8
B. 20 : 49 : 64
C. 38 : 28 : 21
D. None of these

A. Rs. 4000
B. Rs. 5000
C. Rs. 6000
D. Rs. 7000

A. Rs. 2380
B. Rs. 2300
C. Rs. 2280
D. Rs. 2260