other govt exam India Post Postman & Mail Guard Mock Test 2020 Quantitative Aptitude Interest Simple and Compound Both
The difference between the compound interest (compounded annually) and the simple interest on a sum of Rs. 1000 at a certain rate of Interest for 2 years is Rs 22.50. The rate of interest per annum is:-
1
5%
2
10%
3
15%
4
20%