Discussion :: Compound Interest
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The difference between Simple Interest and Compound Interest on a certain sum of money for 2 years is Rs.200. If the rate of interest is 12
%, what is the sum?
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Answer : Option C
Explanation :
If the difference between the C.I. and S.I. on a certain sum of money for 2 years at rate of interest r % is Rs. X, then the sum is given by;
Sum = X
We have;
X = Rs. 200
t = 2 years
r = 12 
Therefore, Sum = 200 
= 200 * 
= 200 * 
*
= 200 * 64
= Rs. 12800 (Option C)
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