On a given date and month, the same day falls after 1. 7 years 2. 6 years 3. 5 years 4. 5 or 6 years
The simple interest accured on a sum of money at the end of four years is 1/5 th of its principal. What is the rate of interest per annum?
1)4%
2) 5%
3) 6%
4)Data Inadequate
If A and B are square matrices of the same order such that AB = A and BA =B, then (A +B ) is equal to:
1. A - B 2. A + B 3. AB 4. None of these
