SSC CGL · Quantitative Aptitude

Simple and compound interest

18 practice questions, each with the answer and an explanation.

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Random questions from this topic, one at a time. You see the answer and the explanation straight after each one.

All 18 questions

  1. What is the simple interest (in ₹) on ₹8000 at per annum for years?
  2. What is the simple interest (in ₹) on ₹8000 at per annum for years?
  3. What is the simple interest (in ₹) on ₹1000 at per annum for years?
  4. What is the simple interest (in ₹) on ₹4000 at per annum for years?
  5. What is the simple interest (in ₹) on ₹1000 at per annum for years?
  6. What is the simple interest (in ₹) on ₹5000 at per annum for years?
  7. What is the compound interest (in ₹) on ₹10000 at per annum for 2 years, compounded annually?
  8. What is the compound interest (in ₹) on ₹4000 at per annum for 2 years, compounded annually?
  9. What is the compound interest (in ₹) on ₹5000 at per annum for 2 years, compounded annually?
  10. What is the compound interest (in ₹) on ₹4000 at per annum for 2 years, compounded annually?
  11. What is the compound interest (in ₹) on ₹5000 at per annum for 2 years, compounded annually?
  12. What is the simple interest (in ₹) on ₹1000 at per annum for years?
  13. What is the compound interest (in ₹) on ₹10000 at per annum for 2 years, compounded annually?
  14. The difference between the compound interest (compounded annually) and simple interest on a certain principal sum for 3 years at 10% per annum is Rs. 155. What is the principal sum?
  15. A sum of money invested at compound interest doubles itself in 5 years. In how many years will it become 8 times of itself at the same annual interest rate?
  16. What will be the compound interest on Rs. 16000 for 1.5 years at 10% per annum compounded half-yearly?
  17. A certain sum at simple interest amounts to Rs. 1008 in 2 years and to Rs. 1164 in 3.5 years. What is the annual rate of interest?
  18. If a sum invested at simple interest triples itself in 16 years, what is the annual interest rate?

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