Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 358 · 40 questions

How to solve it (P × R × T ÷ 100): Simple interest = P × R × T ÷ 100 (P = principal, R = rate % per year, T = years). Amount = principal + interest. Rate = SI × 100 ÷ (P × T); time = SI × 100 ÷ (P × R).

1. 1.What is the simple interest on ₹3000 at 11% per year for 5 years? (a) ₹1650 (b) ₹330 (c) ₹4650 (d) ₹1980
2. 2.The simple interest on ₹7500 for 4 years is ₹3600. What is the rate per year? (a) 48% (b) 12% (c) 13% (d) 11%
3. 3.₹7000 is invested at 10% per year simple interest. What is the amount after 4 years? (a) ₹10500 (b) ₹2800 (c) ₹9800 (d) ₹7700
4. 4.In how many years will ₹6000 earn ₹720 simple interest at 6% per year? (a) 4 years (b) 3 years (c) 1 year (d) 2 years
5. 5.In how many years will ₹5000 earn ₹750 simple interest at 5% per year? (a) 4 years (b) 2 years (c) 6 years (d) 3 years
6. 6.The simple interest on ₹7500 for 2 years is ₹900. What is the rate per year? (a) 5% (b) 6% (c) 7% (d) 12%
7. 7.In how many years will ₹3500 earn ₹280 simple interest at 4% per year? (a) 3 years (b) 4 years (c) 1 year (d) 2 years
8. 8.The simple interest on ₹5500 for 3 years is ₹1815. What is the rate per year? (a) 10% (b) 12% (c) 33% (d) 11%
9. 9.₹5000 is invested at 2% per year simple interest. What is the amount after 4 years? (a) ₹400 (b) ₹5400 (c) ₹5100 (d) ₹5500
10. 10.The simple interest on ₹8000 for 2 years is ₹1920. What is the rate per year? (a) 13% (b) 12% (c) 24% (d) 11%
11. 11.₹5000 is invested at 5% per year simple interest. What is the amount after 2 years? (a) ₹5500 (b) ₹5750 (c) ₹500 (d) ₹5250
12. 12.In how many years will ₹1500 earn ₹150 simple interest at 5% per year? (a) 2 years (b) 4 years (c) 1 year (d) 3 years
13. 13.What is the simple interest on ₹6500 at 10% per year for 5 years? (a) ₹3900 (b) ₹9750 (c) ₹650 (d) ₹3250
14. 14.In how many years will ₹10000 earn ₹4400 simple interest at 11% per year? (a) 8 years (b) 4 years (c) 5 years (d) 3 years
15. 15.The simple interest on ₹9500 for 3 years is ₹1995. What is the rate per year? (a) 8% (b) 21% (c) 7% (d) 6%
16. 16.In how many years will ₹1500 earn ₹360 simple interest at 12% per year? (a) 2 years (b) 4 years (c) 1 year (d) 3 years
17. 17.The simple interest on ₹8500 for 3 years is ₹1785. What is the rate per year? (a) 8% (b) 21% (c) 6% (d) 7%
18. 18.₹5000 is invested at 10% per year simple interest. What is the amount after 3 years? (a) ₹5500 (b) ₹6500 (c) ₹1500 (d) ₹7000
19. 19.₹3000 is invested at 6% per year simple interest. What is the amount after 5 years? (a) ₹4080 (b) ₹3900 (c) ₹3180 (d) ₹900
20. 20.What is the simple interest on ₹7000 at 12% per year for 5 years? (a) ₹11200 (b) ₹5040 (c) ₹4200 (d) ₹840
21. 21.What is the simple interest on ₹4500 at 2% per year for 4 years? (a) ₹90 (b) ₹450 (c) ₹4860 (d) ₹360
22. 22.In how many years will ₹3000 earn ₹420 simple interest at 7% per year? (a) 3 years (b) 1 year (c) 4 years (d) 2 years
23. 23.The simple interest on ₹5000 for 3 years is ₹300. What is the rate per year? (a) 1% (b) 2% (c) 3% (d) 6%
24. 24.In how many years will ₹7500 earn ₹1800 simple interest at 8% per year? (a) 4 years (b) 6 years (c) 2 years (d) 3 years
25. 25.₹1500 is invested at 6% per year simple interest. What is the amount after 2 years? (a) ₹1590 (b) ₹180 (c) ₹1680 (d) ₹1770
26. 26.₹2500 is invested at 3% per year simple interest. What is the amount after 4 years? (a) ₹300 (b) ₹2800 (c) ₹2575 (d) ₹2875
27. 27.The simple interest on ₹3500 for 2 years is ₹210. What is the rate per year? (a) 6% (b) 2% (c) 4% (d) 3%
28. 28.In how many years will ₹3000 earn ₹1500 simple interest at 10% per year? (a) 6 years (b) 4 years (c) 10 years (d) 5 years
29. 29.In how many years will ₹8500 earn ₹1190 simple interest at 7% per year? (a) 4 years (b) 3 years (c) 1 year (d) 2 years
30. 30.What is the simple interest on ₹8000 at 2% per year for 2 years? (a) ₹160 (b) ₹480 (c) ₹320 (d) ₹8320
31. 31.In how many years will ₹4500 earn ₹180 simple interest at 2% per year? (a) 2 years (b) 3 years (c) 1 year (d) 4 years
32. 32.In how many years will ₹3000 earn ₹360 simple interest at 3% per year? (a) 4 years (b) 3 years (c) 5 years (d) 8 years
33. 33.What is the simple interest on ₹9500 at 5% per year for 5 years? (a) ₹2850 (b) ₹11875 (c) ₹2375 (d) ₹475
34. 34.What is the simple interest on ₹2000 at 4% per year for 2 years? (a) ₹80 (b) ₹240 (c) ₹2160 (d) ₹160
35. 35.The simple interest on ₹5500 for 4 years is ₹1760. What is the rate per year? (a) 7% (b) 32% (c) 8% (d) 9%
36. 36.In how many years will ₹7500 earn ₹1500 simple interest at 4% per year? (a) 6 years (b) 4 years (c) 5 years (d) 10 years
37. 37.The simple interest on ₹7000 for 4 years is ₹1120. What is the rate per year? (a) 4% (b) 16% (c) 3% (d) 5%
38. 38.The simple interest on ₹5000 for 2 years is ₹200. What is the rate per year? (a) 3% (b) 4% (c) 2% (d) 1%
39. 39.In how many years will ₹4500 earn ₹630 simple interest at 7% per year? (a) 1 year (b) 3 years (c) 2 years (d) 4 years
40. 40.In how many years will ₹3000 earn ₹240 simple interest at 2% per year? (a) 4 years (b) 5 years (c) 8 years (d) 3 years

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