Professor

If Rs.3000 amounts to Rs.4320 at compound interest in a certain time, then Rs.3000 amounts to what in half of the time?

- Rs.3400
- Rs.3600
- Rs.3800
- Rs.3520

1 Answers

Professor

**Answer: (2) Rs.3600**

**Explanation:-
Formula-
**

Let the rate of interest be = R %

Time = T

According to the question,

4320 = 3000(1 + R/100)

(1 + R/100)

In T/2 years principal (Rs.3000) will amount to

3000(1 + R/100)

= Rs.3600

Hence, the answer is (2) Rs.3600.

Answered by Anurag Mishra on 2nd August 2015..