Simple Interest

This section will cover Numerical ability or Aptitude MCQ on Simple Interest for various competitive exams. These question falls under Quantitative Aptitude section. Questions listed below are of different format and should give you a clear idea of type of questions you might come across during exams. Regular practice of these questions should help you in getting good Test score.

Simple Interest Formula

\( S.I. = {\frac{(P)(R)(T)}{100} }\)

Where P is Principal amount, R is Rate of interest and T is time.

Based on above formula we have listed few unsolved problems.

Simple Interest Aptitude Questions – Test Series

Q 1 – At what rate per cent per annum will be a sum of money treble in 25 years?
  • 2 %
  • 4 %
  • 8 %
  • 16 %

Q 2 – If a Sum of money doubles itself in 7 years, it becomes 5 times in how many years?
  • 20 Years
  • 28 Years
  • 36 Years
  • None of the above

Q 3 – The simple interest on a sum of money is 1/9th of the principled and the number of years is equal to the rate per cent rate per annum. Find the rate per cent?
  • 3 %
  • 5 %
  • 7 %
  • 9 %

Q 4 – Find the sum of money which increases 1/10 of itself very year amounts to Rs 450 in 5 years ?
  • 300
  • 400
  • 500
  • 600

5. In how many years will a sum of money double itself at 10 % per annum simple interest ?
  • 2 Years
  • 5 Years
  • 7 Years
  • 10 Years

6. If Rs 1000 be placed at interest at 5 % and the interest be added to the principal every 10 Years, In how many years will it amount to Rs 2000 ?
  • 16 2/3 Years
  • 16 Years
  • 21 Years
  • 17 Years

7. David lent Rs 600 to Robin for 2 years and Rs 150 to Martha for 4 years and received altogether from both Rs 90. Find the rate per cent ?
  • 3 %
  • 5 %
  • 7 %
  • 9 %

8. At what rate percent per annum simple interest will Rs 1 produce Rs 9 in 60 Years ?
  • 5 %
  • 10 %
  • 15 %
  • 20 %

9. Spider Men invests 1/3 of his capital at 4%, 1/4th at 3 % and remaining at 5 %. If annual income is Rs 150, Find the capital of Spider Men
  • 3500 Rs
  • 3600 Rs
  • 3700 Rs
  • 3800 Rs

10. Find the simple interest on Rs 471 for 7 months at 2 paise per rupee per month ?
  • 61.24
  • 63.56
  • 64.48
  • 65.94

11. In what time will the simple interest on Rs 900 at 6 % be equal to the interest on Rs 540 for 8 years at 5 % ?
  • 4 Years
  • 6 Years
  • 8 Years
  • 10 Years

12. A sum of Rs 1300 is lent into 2 parts so that interest on the first part for 3 Years at 5 % may be equal to the interest on the second part for 4 Years at 6 %. Find the sum lent ?
  • 800 Rs
  • 1200 Rs
  • 1600 Rs
  • 2000 Rs

13. Ram have Rs 3500, he lent Rs 1500 at 4 % and Rs 1000 at 3 % . At what rate Ram must lent the remainder of his money so as to earn 5 % on Rs 3500 ?
  • 6 %
  • 8 %
  • 8.5 %
  • 10.5 %

14. Salman lent a certain sum of money at 4 % simple interest and in 8 years the interest amounted to Rs 340 less than the sum lent. Find the sum lent ?
  • 300 Rs
  • 500 Rs
  • 700 Rs
  • 1000 Rs

15. 15. David buys land and gives for it 20 times the annual rent. Find the rate of interest he gets it for his money ?
  • 2 %
  • 3 %
  • 4 %
  • 5 %

For more Quantitative Aptitude questions on Numerical ability, please refer here.

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