The difference between the simple and the compound interest earned on a sum of money at the rate of 5 p.c.p.a. for 2 years is Rs. 21. Find the principal.

The difference between the simple and the compound interest earned

1.	The difference between the simple and the compound interest earned on a sum of money at the rate of 5 p.c.p.a. for 2 years is Rs. 21. Find the principal.
A.	Rs. 7800
B.	Rs. 8400
C.	Rs. 8900
D.	Rs. 9400
Answer» C. Rs. 8900

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The difference between the simple and the compound interest earned on a sum of money at the rate of 5 p.c.p.a. for 2 years is Rs. 21. Find the principal.

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