| The simple interest accrued in 4 yr on a principal of Rs. 25000 is two-tenth the principal. What is the rate of simple interest per cent per annum? |
A) 5
B) 4
C) 6
D) 2
E) None of these
Correct Answer: A
Solution :
| \[\frac{25000\times 4\times r}{100}=\frac{2}{10}\times 25000\] |
| \[\Rightarrow \] \[1000\times r=5000\] |
| \[\Rightarrow \] \[r=\frac{5000}{1000}=5%\] |
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