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  1. 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
    1. ₹ 1,000
    2. ₹ 1, 200
    3. ₹ 1, 500
    4. ₹ 2, 000
Correct Option: B

Given that , Difference = C.I. - S.I. = ₹ 48 , Time = 2 years , Rate = 20%
Using the given formula ,

Difference of two years = P
r2
10000

⇒ 48 = P
400
10000

⇒  48 =
P
25

⇒  P = 48 × 25 = ₹ 1200



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