18.The Simple interest on a certain sum for 2 years at 10% per annum is Rs. 90. The corresponding compound interest is
[A] Rs. 99
[C] Rs. 94.50
[B] Rs. 95.60
[D] Rs. 108
Answer : [C]
Explanation :
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Sum = Rs.
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100 x 90
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= Rs. 450
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2 x 10
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C.I. = Rs.
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450 x
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1+
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10
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2
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- 450
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100
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