In a recurring deposit account, John deposits ₹ 500 per month for 24 months. If the interest he earns is one-tenth of his total deposit, the rate of interest is :

1. 4.8%

2. 9.6%

3. 7.2%

4. 3.2%

₹ 50 per month is deposited for 20 months in a recurring deposit account. If the rate of interest is 10%; the maturity value is :

1. ₹ 187.50

2. ₹ 87.50

3. ₹ 2175

4. ₹ 1087.50

In a recurring deposit account, Mohit deposited ₹ 5000 per month for one year and at maturity gets ₹ 67,500; the total interest earned is :

1. ₹ 60,000

2. ₹ 67,500

3. ₹ 52,500

4. ₹ 7,500

A certain money is deposited in a recurring deposit account for 15 months, If the interest earned for this deposit is one-fifth of the monthly instalment; the rate of interest is :

1. 6%

2. 2%

3. 10%

4. 4%