Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 520 · 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 ₹6500 at 4% per year for 3 years? (a) ₹1040 (b) ₹7280 (c) ₹260 (d) ₹780
2. 2.What is the simple interest on ₹3500 at 4% per year for 4 years? (a) ₹140 (b) ₹700 (c) ₹560 (d) ₹4060
3. 3.The simple interest on ₹7000 for 5 years is ₹2800. What is the rate per year? (a) 9% (b) 7% (c) 40% (d) 8%
4. 4.In how many years will ₹1000 earn ₹40 simple interest at 2% per year? (a) 4 years (b) 1 year (c) 3 years (d) 2 years
5. 5.The simple interest on ₹9000 for 4 years is ₹4320. What is the rate per year? (a) 11% (b) 13% (c) 12% (d) 48%
6. 6.The simple interest on ₹3000 for 2 years is ₹240. What is the rate per year? (a) 8% (b) 4% (c) 5% (d) 3%
7. 7.What is the simple interest on ₹2000 at 12% per year for 3 years? (a) ₹2720 (b) ₹240 (c) ₹720 (d) ₹960
8. 8.In how many years will ₹1000 earn ₹450 simple interest at 9% per year? (a) 10 years (b) 6 years (c) 4 years (d) 5 years
9. 9.₹4500 is invested at 3% per year simple interest. What is the amount after 3 years? (a) ₹4905 (b) ₹405 (c) ₹4635 (d) ₹5040
10. 10.₹3000 is invested at 3% per year simple interest. What is the amount after 5 years? (a) ₹450 (b) ₹3090 (c) ₹3540 (d) ₹3450
11. 11.The simple interest on ₹8500 for 2 years is ₹680. What is the rate per year? (a) 8% (b) 5% (c) 4% (d) 3%
12. 12.What is the simple interest on ₹3000 at 12% per year for 5 years? (a) ₹2160 (b) ₹1800 (c) ₹360 (d) ₹4800
13. 13.What is the simple interest on ₹2000 at 4% per year for 3 years? (a) ₹80 (b) ₹320 (c) ₹240 (d) ₹2240
14. 14.The simple interest on ₹2500 for 2 years is ₹250. What is the rate per year? (a) 10% (b) 4% (c) 6% (d) 5%
15. 15.₹2500 is invested at 8% per year simple interest. What is the amount after 2 years? (a) ₹3100 (b) ₹2900 (c) ₹2700 (d) ₹400
16. 16.What is the simple interest on ₹9500 at 4% per year for 2 years? (a) ₹1140 (b) ₹380 (c) ₹10260 (d) ₹760
17. 17.₹3000 is invested at 4% per year simple interest. What is the amount after 3 years? (a) ₹3360 (b) ₹3120 (c) ₹360 (d) ₹3480
18. 18.What is the simple interest on ₹1500 at 2% per year for 3 years? (a) ₹1590 (b) ₹30 (c) ₹90 (d) ₹120
19. 19.The simple interest on ₹7500 for 5 years is ₹3375. What is the rate per year? (a) 45% (b) 8% (c) 10% (d) 9%
20. 20.What is the simple interest on ₹6000 at 11% per year for 2 years? (a) ₹7320 (b) ₹660 (c) ₹1980 (d) ₹1320
21. 21.The simple interest on ₹5000 for 3 years is ₹300. What is the rate per year? (a) 3% (b) 1% (c) 6% (d) 2%
22. 22.₹2000 is invested at 4% per year simple interest. What is the amount after 5 years? (a) ₹400 (b) ₹2480 (c) ₹2400 (d) ₹2080
23. 23.₹4500 is invested at 8% per year simple interest. What is the amount after 5 years? (a) ₹6300 (b) ₹6660 (c) ₹4860 (d) ₹1800
24. 24.The simple interest on ₹2500 for 5 years is ₹500. What is the rate per year? (a) 5% (b) 20% (c) 4% (d) 3%
25. 25.₹5500 is invested at 10% per year simple interest. What is the amount after 2 years? (a) ₹7150 (b) ₹1100 (c) ₹6600 (d) ₹6050
26. 26.The simple interest on ₹2500 for 2 years is ₹400. What is the rate per year? (a) 16% (b) 9% (c) 7% (d) 8%
27. 27.What is the simple interest on ₹4500 at 4% per year for 4 years? (a) ₹180 (b) ₹5220 (c) ₹720 (d) ₹900
28. 28.The simple interest on ₹2500 for 5 years is ₹750. What is the rate per year? (a) 5% (b) 7% (c) 6% (d) 30%
29. 29.What is the simple interest on ₹9500 at 11% per year for 2 years? (a) ₹3135 (b) ₹11590 (c) ₹2090 (d) ₹1045
30. 30.₹3500 is invested at 4% per year simple interest. What is the amount after 4 years? (a) ₹560 (b) ₹3640 (c) ₹4060 (d) ₹4200
31. 31.₹1500 is invested at 2% per year simple interest. What is the amount after 4 years? (a) ₹1530 (b) ₹1650 (c) ₹120 (d) ₹1620
32. 32.The simple interest on ₹6500 for 2 years is ₹520. What is the rate per year? (a) 5% (b) 8% (c) 4% (d) 3%
33. 33.In how many years will ₹10000 earn ₹1200 simple interest at 6% per year? (a) 2 years (b) 3 years (c) 4 years (d) 1 year
34. 34.₹4500 is invested at 5% per year simple interest. What is the amount after 2 years? (a) ₹5175 (b) ₹450 (c) ₹4725 (d) ₹4950
35. 35.What is the simple interest on ₹5500 at 3% per year for 5 years? (a) ₹990 (b) ₹165 (c) ₹825 (d) ₹6325
36. 36.In how many years will ₹9500 earn ₹1900 simple interest at 4% per year? (a) 4 years (b) 6 years (c) 10 years (d) 5 years
37. 37.The simple interest on ₹3500 for 5 years is ₹350. What is the rate per year? (a) 1% (b) 3% (c) 2% (d) 10%
38. 38.₹2500 is invested at 5% per year simple interest. What is the amount after 4 years? (a) ₹500 (b) ₹3000 (c) ₹2625 (d) ₹3125
39. 39.The simple interest on ₹6500 for 4 years is ₹3120. What is the rate per year? (a) 12% (b) 48% (c) 13% (d) 11%
40. 40.What is the simple interest on ₹7500 at 2% per year for 3 years? (a) ₹150 (b) ₹450 (c) ₹600 (d) ₹7950

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