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Question

The difference between the compound interest and simple interest for the sum of ₹5,000 at 10% per annum for two years is:

The correct answer is

₹50

\(CI-SI=5000(0.1)^2=50\)

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Important Questions from Compound Interest

  1. A sum of money triples itself at a certain rate of compound interest in 11 years. In how many years will it amount to 27 times of itself?
  2. A sum of ₹10,000 amounts to ₹12,321 in 2 years at a certain rate of interest per annum, compounded annually. The rate of interest per annum is:

  3. If the interest earned during the 2nd year on a certain sum is ₹2,352, and the rate of interest is 5% per annum compounded annually, then the sum is:
  4. A sum of money triples itself at a certain rate of compound interest in 17 years. In how many years will it amount to 81 times of itself?
  5. If the interest earned during the $2^{nd}$ year on a certain sum is ₹3,342, and the rate of interest is 20% per annum compounded annually, then the sum is:

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