₹ 5,000 is put in a bank at 5% simple interest. The amount at the end of 2 years will be :

1. ₹ 250

2. ₹ 500

3. ₹ 5,500

4. ₹ 4,500

A sum of money triples itself in 20 years. The rate of interest is:

1. 20%

2. 10%

3. 5%

4. 15%

A sum of ₹ 600 put at 5% S.I. amounts to ₹ 720 in:

1. 3 years

2. 4 years

3. 5 years

4. 6 years

Manoj invested ₹ 8,000 for 10 years at 10% p.a. simple interest. The amount at the end of 2 years will be :

1. ₹ 9,600

2. ₹ 9,800

3. ₹ 16,000

4. None of these