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  1. The difference between the compound interest and simple interest for the amount ₹ 5,000 in 2 years is ₹ 32. The rate of interest is
    1. 5%
    2. 8%
    3. 10%
    4. 12%
Correct Option: B

Given that , Principal = ₹ 5,000 , Difference = C.I. - S.I. = ₹ 32 , Time = 2 years , Rate = r%
Using the given formula ,

Difference of 2 years =
p × r2
10000

⇒ 32 =
5000 × r2
10000

⇒ r2 =
32 × 10000
= ₹ 64
5000

⇒  r = √ 64 = 8%



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