**1. What sum of money will amount to Rs 520 in 5 years and to Rs 568 in 7 years at Simple Interest?**

a) Rs 400

b) Rs 120

c) Rs 510

d) Rs 220

Answer: Rs 400

2) A sum of money at some rate of simple interest amounts to Rs 2900 in 8 years and to Rs 3000 in 10 years. The rate of interest per annum is:

2) A sum of money at some rate of simple interest amounts to Rs 2900 in 8 years and to Rs 3000 in 10 years. The rate of interest per annum is:

a) 4%

b) 2 1/2%

c) 3%

d) 2%

Answer: 2%

**3) A certain sum of money lent out at simple interest amounts to Rs 1380 in 3 years and Rs 1500 in 5 years. Find the rate per cent, per annum.**

a) 3

b) 3.5

c) 4

d) 5

Answer: 5