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  1. The difference between the compound interest and the simple interest on a certain sum at 5% per annum for 2 years is ₹ 1.50. The sum is
    1. ₹ 600
    2. ₹ 500
    3. ₹ 400
    4. ₹ 300
Correct Option: A

Given that , Difference = C.I. - S.I. = ₹ 1.50 , Time = 2 years , Rate = 5%
Using the given formula ,

Difference =
PR2
10000

⇒ 1.50 =
P × 5 × 5
(100)2

⇒  P = 400 × 1.5 = ₹ 600



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