# A certain sum amounts to Rs. 4205.55 at 15% p.a. in years when compoun

| A certain sum amounts to Rs. 4205.55 at 15% p.a. in years when compounded yearly. The sum is:

A. Rs. 3,200

B. Rs. 2,700

C. Rs. 3,000

D. Rs. 3,500

### Right Answer is: C

#### SOLUTION

Let the sum = P

Rate of interest for 2/5 years

We will find successive interest.

1^{st} year-15%

2^{nd} year-15%

2/5^{th} year-6%

A.T.Q.

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A certain sum amounts to Rs. 4205.55 at 15% p.a. in years when compoun