Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 830 · 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 ₹7000 at 4% per year for 2 years? (a) ₹840 (b) ₹280 (c) ₹7560 (d) ₹560
2. 2.₹10000 is invested at 10% per year simple interest. What is the amount after 3 years? (a) ₹3000 (b) ₹11000 (c) ₹13000 (d) ₹14000
3. 3.The simple interest on ₹6500 for 5 years is ₹975. What is the rate per year? (a) 15% (b) 3% (c) 2% (d) 4%
4. 4.What is the simple interest on ₹2500 at 2% per year for 2 years? (a) ₹2600 (b) ₹100 (c) ₹50 (d) ₹150
5. 5.₹2500 is invested at 12% per year simple interest. What is the amount after 2 years? (a) ₹3400 (b) ₹2800 (c) ₹600 (d) ₹3100
6. 6.The simple interest on ₹6500 for 4 years is ₹2340. What is the rate per year? (a) 9% (b) 36% (c) 10% (d) 8%
7. 7.In how many years will ₹3500 earn ₹1540 simple interest at 11% per year? (a) 4 years (b) 5 years (c) 8 years (d) 3 years
8. 8.In how many years will ₹9500 earn ₹760 simple interest at 4% per year? (a) 1 year (b) 3 years (c) 4 years (d) 2 years
9. 9.In how many years will ₹1500 earn ₹720 simple interest at 12% per year? (a) 5 years (b) 3 years (c) 8 years (d) 4 years
10. 10.In how many years will ₹2000 earn ₹360 simple interest at 6% per year? (a) 3 years (b) 4 years (c) 2 years (d) 6 years
11. 11.What is the simple interest on ₹9000 at 10% per year for 2 years? (a) ₹1800 (b) ₹2700 (c) ₹900 (d) ₹10800
12. 12.₹2500 is invested at 3% per year simple interest. What is the amount after 4 years? (a) ₹2875 (b) ₹2575 (c) ₹300 (d) ₹2800
13. 13.In how many years will ₹4500 earn ₹1080 simple interest at 12% per year? (a) 3 years (b) 1 year (c) 2 years (d) 4 years
14. 14.The simple interest on ₹10000 for 4 years is ₹800. What is the rate per year? (a) 2% (b) 1% (c) 3% (d) 8%
15. 15.₹2500 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹2575 (b) ₹2725 (c) ₹2650 (d) ₹150
16. 16.The simple interest on ₹1500 for 5 years is ₹150. What is the rate per year? (a) 10% (b) 1% (c) 3% (d) 2%
17. 17.₹1000 is invested at 6% per year simple interest. What is the amount after 3 years? (a) ₹180 (b) ₹1240 (c) ₹1180 (d) ₹1060
18. 18.What is the simple interest on ₹5500 at 5% per year for 3 years? (a) ₹275 (b) ₹1100 (c) ₹825 (d) ₹6325
19. 19.The simple interest on ₹7000 for 2 years is ₹700. What is the rate per year? (a) 6% (b) 5% (c) 4% (d) 10%
20. 20.₹5000 is invested at 10% per year simple interest. What is the amount after 4 years? (a) ₹5500 (b) ₹7000 (c) ₹2000 (d) ₹7500
21. 21.In how many years will ₹4000 earn ₹720 simple interest at 6% per year? (a) 6 years (b) 3 years (c) 2 years (d) 4 years
22. 22.What is the simple interest on ₹1500 at 4% per year for 4 years? (a) ₹240 (b) ₹60 (c) ₹300 (d) ₹1740
23. 23.What is the simple interest on ₹6500 at 3% per year for 3 years? (a) ₹195 (b) ₹585 (c) ₹7085 (d) ₹780
24. 24.In how many years will ₹1500 earn ₹750 simple interest at 10% per year? (a) 6 years (b) 5 years (c) 4 years (d) 10 years
25. 25.In how many years will ₹7500 earn ₹2700 simple interest at 12% per year? (a) 6 years (b) 4 years (c) 3 years (d) 2 years
26. 26.What is the simple interest on ₹4500 at 12% per year for 4 years? (a) ₹2160 (b) ₹6660 (c) ₹2700 (d) ₹540
27. 27.In how many years will ₹7000 earn ₹1400 simple interest at 10% per year? (a) 4 years (b) 3 years (c) 2 years (d) 1 year
28. 28.In how many years will ₹3500 earn ₹210 simple interest at 3% per year? (a) 2 years (b) 3 years (c) 1 year (d) 4 years
29. 29.₹9500 is invested at 9% per year simple interest. What is the amount after 2 years? (a) ₹11210 (b) ₹1710 (c) ₹10355 (d) ₹12065
30. 30.What is the simple interest on ₹3000 at 6% per year for 4 years? (a) ₹3720 (b) ₹720 (c) ₹900 (d) ₹180
31. 31.In how many years will ₹9000 earn ₹2160 simple interest at 8% per year? (a) 2 years (b) 6 years (c) 4 years (d) 3 years
32. 32.₹5500 is invested at 5% per year simple interest. What is the amount after 4 years? (a) ₹5775 (b) ₹6875 (c) ₹6600 (d) ₹1100
33. 33.The simple interest on ₹5000 for 4 years is ₹400. What is the rate per year? (a) 8% (b) 3% (c) 2% (d) 1%
34. 34.What is the simple interest on ₹5500 at 5% per year for 2 years? (a) ₹6050 (b) ₹275 (c) ₹825 (d) ₹550
35. 35.In how many years will ₹6500 earn ₹520 simple interest at 4% per year? (a) 4 years (b) 3 years (c) 2 years (d) 1 year
36. 36.₹9500 is invested at 12% per year simple interest. What is the amount after 3 years? (a) ₹3420 (b) ₹10640 (c) ₹14060 (d) ₹12920
37. 37.What is the simple interest on ₹3000 at 7% per year for 3 years? (a) ₹840 (b) ₹3630 (c) ₹630 (d) ₹210
38. 38.The simple interest on ₹1000 for 5 years is ₹100. What is the rate per year? (a) 2% (b) 10% (c) 1% (d) 3%
39. 39.The simple interest on ₹3500 for 2 years is ₹350. What is the rate per year? (a) 5% (b) 6% (c) 4% (d) 10%
40. 40.What is the simple interest on ₹5500 at 3% per year for 5 years? (a) ₹825 (b) ₹165 (c) ₹990 (d) ₹6325

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