Topper's Approach 3

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:
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