Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 963 · 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.₹1000 is invested at 11% per year simple interest. What is the amount after 4 years? (a) ₹1110 (b) ₹440 (c) ₹1550 (d) ₹1440
2. 2.₹2000 is invested at 12% per year simple interest. What is the amount after 3 years? (a) ₹720 (b) ₹2960 (c) ₹2720 (d) ₹2240
3. 3.What is the simple interest on ₹8000 at 10% per year for 3 years? (a) ₹3200 (b) ₹2400 (c) ₹10400 (d) ₹800
4. 4.What is the simple interest on ₹10000 at 4% per year for 3 years? (a) ₹1600 (b) ₹400 (c) ₹11200 (d) ₹1200
5. 5.The simple interest on ₹2000 for 3 years is ₹240. What is the rate per year? (a) 4% (b) 5% (c) 3% (d) 12%
6. 6.₹1500 is invested at 9% per year simple interest. What is the amount after 2 years? (a) ₹1635 (b) ₹270 (c) ₹1905 (d) ₹1770
7. 7.What is the simple interest on ₹4000 at 3% per year for 5 years? (a) ₹120 (b) ₹720 (c) ₹4600 (d) ₹600
8. 8.What is the simple interest on ₹5000 at 3% per year for 5 years? (a) ₹150 (b) ₹900 (c) ₹750 (d) ₹5750
9. 9.In how many years will ₹5000 earn ₹1000 simple interest at 4% per year? (a) 6 years (b) 5 years (c) 10 years (d) 4 years
10. 10.What is the simple interest on ₹6500 at 11% per year for 2 years? (a) ₹7930 (b) ₹2145 (c) ₹715 (d) ₹1430
11. 11.In how many years will ₹10000 earn ₹3300 simple interest at 11% per year? (a) 6 years (b) 3 years (c) 4 years (d) 2 years
12. 12.₹7500 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹450 (b) ₹7725 (c) ₹7950 (d) ₹8175
13. 13.In how many years will ₹7000 earn ₹700 simple interest at 2% per year? (a) 10 years (b) 6 years (c) 5 years (d) 4 years
14. 14.In how many years will ₹8500 earn ₹2295 simple interest at 9% per year? (a) 3 years (b) 2 years (c) 6 years (d) 4 years
15. 15.In how many years will ₹6000 earn ₹960 simple interest at 4% per year? (a) 4 years (b) 5 years (c) 8 years (d) 3 years
16. 16.The simple interest on ₹5500 for 3 years is ₹825. What is the rate per year? (a) 4% (b) 6% (c) 15% (d) 5%
17. 17.What is the simple interest on ₹10000 at 3% per year for 2 years? (a) ₹300 (b) ₹10600 (c) ₹900 (d) ₹600
18. 18.In how many years will ₹10000 earn ₹4400 simple interest at 11% per year? (a) 3 years (b) 8 years (c) 5 years (d) 4 years
19. 19.The simple interest on ₹2000 for 2 years is ₹280. What is the rate per year? (a) 14% (b) 8% (c) 7% (d) 6%
20. 20.The simple interest on ₹2500 for 5 years is ₹625. What is the rate per year? (a) 4% (b) 5% (c) 6% (d) 25%
21. 21.The simple interest on ₹7500 for 2 years is ₹1800. What is the rate per year? (a) 24% (b) 11% (c) 13% (d) 12%
22. 22.What is the simple interest on ₹4000 at 12% per year for 2 years? (a) ₹960 (b) ₹4960 (c) ₹480 (d) ₹1440
23. 23.The simple interest on ₹2000 for 2 years is ₹200. What is the rate per year? (a) 6% (b) 10% (c) 4% (d) 5%
24. 24.₹4500 is invested at 6% per year simple interest. What is the amount after 3 years? (a) ₹4770 (b) ₹5580 (c) ₹810 (d) ₹5310
25. 25.What is the simple interest on ₹2000 at 4% per year for 3 years? (a) ₹240 (b) ₹2240 (c) ₹80 (d) ₹320
26. 26.The simple interest on ₹9500 for 2 years is ₹2280. What is the rate per year? (a) 11% (b) 24% (c) 13% (d) 12%
27. 27.What is the simple interest on ₹9000 at 12% per year for 4 years? (a) ₹5400 (b) ₹13320 (c) ₹4320 (d) ₹1080
28. 28.₹1500 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹1590 (b) ₹1560 (c) ₹60 (d) ₹1530
29. 29.The simple interest on ₹7500 for 4 years is ₹1200. What is the rate per year? (a) 3% (b) 4% (c) 16% (d) 5%
30. 30.In how many years will ₹1500 earn ₹360 simple interest at 6% per year? (a) 3 years (b) 8 years (c) 5 years (d) 4 years
31. 31.₹3000 is invested at 12% per year simple interest. What is the amount after 2 years? (a) ₹720 (b) ₹3360 (c) ₹4080 (d) ₹3720
32. 32.What is the simple interest on ₹3000 at 9% per year for 3 years? (a) ₹3810 (b) ₹270 (c) ₹1080 (d) ₹810
33. 33.The simple interest on ₹3000 for 2 years is ₹660. What is the rate per year? (a) 10% (b) 12% (c) 11% (d) 22%
34. 34.₹8000 is invested at 7% per year simple interest. What is the amount after 2 years? (a) ₹9680 (b) ₹9120 (c) ₹8560 (d) ₹1120
35. 35.The simple interest on ₹3000 for 2 years is ₹720. What is the rate per year? (a) 11% (b) 24% (c) 12% (d) 13%
36. 36.What is the simple interest on ₹2500 at 11% per year for 2 years? (a) ₹550 (b) ₹825 (c) ₹275 (d) ₹3050
37. 37.₹4000 is invested at 10% per year simple interest. What is the amount after 2 years? (a) ₹4800 (b) ₹5200 (c) ₹4400 (d) ₹800
38. 38.What is the simple interest on ₹4000 at 6% per year for 3 years? (a) ₹720 (b) ₹4720 (c) ₹240 (d) ₹960
39. 39.The simple interest on ₹9000 for 2 years is ₹1800. What is the rate per year? (a) 10% (b) 20% (c) 9% (d) 11%
40. 40.₹2500 is invested at 3% per year simple interest. What is the amount after 3 years? (a) ₹2725 (b) ₹2575 (c) ₹225 (d) ₹2800

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