# For How Long Time B Invested the Money ?

A and B started a business with Initial investment in the ratio 12:11 and their annual profit were in the ratio 4:1. If A invest the money for 11 months, B invested the money for:

- 3 months
- 4 months
- 5 months
- 7 months

**Answer: (1) 3 months**

**Explanation:-**

A and B started a business with Initial investment in the ratio = 12:11

and their annual profit were in ratio = 4:1

A invest the money for = 11 months

Let B invest the money for X months

= (12 x 11): (11 x X) = 4: 1

= X = 3 months