The difference between simple interest and compound interest of a certain sum of

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The difference between simple interest and compound interest of a certain sum of money at 20% per annum for 2 years is 48. Then the sum is

Options:

A . 2, 000

B . 1,000

C . 1, 500

D . 1, 200

Answer: Option D
Answer: (d)Using Rule 6,Difference of two years= P$(r^2/10000)$48 = P$(400/10000)$48 = $P/25$P = 48 × 25 = Rs.1200

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