Simple and compound interest

Interest calculations and comparisons.

General Test6 questions
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Formulas

  • Simple interest: SI = P × R × T ÷ 100.
  • Compound amount: A = P(1 + R/100)ⁿ; CI = A − P.
  • For 2 years, CI − SI = P(R/100)².

Practice questions

What is the simple interest on ₹5,000 at 8% per annum for 3 years?Easy
Simple interest on ₹2,000 at 5% per annum for 3 years is:Easy
Compound interest on ₹1,000 at 10% per annum for 2 years is:Medium
At what rate of simple interest will a sum double in 10 years?Medium
The difference between CI and SI on ₹5,000 at 10% per annum for 2 years is:Hard

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