On a certain sum, the S.I. for 2 years is ₹ 2400. If the rate of interest is 10% p.a., then :

C.I. for 2nd year is :

1. ₹ 1320

2. ₹ 2640

3. ₹ 1980

4. ₹ 2400

On a certain sum, the S.I. for 2 years is ₹ 2400. If the rate of interest is 10% p.a., then :

the sum is :

1. ₹ 12000

2. ₹ 26400

3. ₹ 13200

4. ₹ 24000

If the interest is compounded half-yearly, calculate the amount when principal is ₹ 7400; the rate of interest is 5% per annum and the duration is one year.

Find the difference between the compound interest compounded yearly and half-yearly on ₹ 10000 for 18 months at 10% per annum.