Question

What is the difference between the simple interest on a principal of Rs. 500 being calculated at 5% per annum for 3 years and 4% per annum for 4 years?
A.Rs. 5
B.Rs. 10
C.Rs. 20
D.Rs. 40

Answer 1

interest on 5% ,4% (75,80) respectively...
difference=5
hence option A)