Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 415 · 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.In how many years will ₹3500 earn ₹1050 simple interest at 6% per year? (a) 10 years (b) 5 years (c) 4 years (d) 6 years
2. 2.What is the simple interest on ₹3000 at 9% per year for 4 years? (a) ₹4080 (b) ₹1350 (c) ₹270 (d) ₹1080
3. 3.What is the simple interest on ₹1500 at 6% per year for 2 years? (a) ₹90 (b) ₹180 (c) ₹270 (d) ₹1680
4. 4.In how many years will ₹9500 earn ₹1330 simple interest at 7% per year? (a) 3 years (b) 1 year (c) 4 years (d) 2 years
5. 5.What is the simple interest on ₹4000 at 12% per year for 3 years? (a) ₹1440 (b) ₹480 (c) ₹1920 (d) ₹5440
6. 6.₹2500 is invested at 3% per year simple interest. What is the amount after 5 years? (a) ₹2575 (b) ₹2950 (c) ₹2875 (d) ₹375
7. 7.What is the simple interest on ₹9500 at 3% per year for 4 years? (a) ₹285 (b) ₹1425 (c) ₹1140 (d) ₹10640
8. 8.The simple interest on ₹5500 for 5 years is ₹2475. What is the rate per year? (a) 10% (b) 8% (c) 45% (d) 9%
9. 9.What is the simple interest on ₹3500 at 3% per year for 2 years? (a) ₹3710 (b) ₹315 (c) ₹105 (d) ₹210
10. 10.In how many years will ₹8500 earn ₹1530 simple interest at 6% per year? (a) 3 years (b) 2 years (c) 4 years (d) 6 years
11. 11.In how many years will ₹4000 earn ₹1440 simple interest at 9% per year? (a) 3 years (b) 5 years (c) 4 years (d) 8 years
12. 12.₹10000 is invested at 12% per year simple interest. What is the amount after 2 years? (a) ₹12400 (b) ₹11200 (c) ₹2400 (d) ₹13600
13. 13.₹4000 is invested at 2% per year simple interest. What is the amount after 5 years? (a) ₹4480 (b) ₹400 (c) ₹4080 (d) ₹4400
14. 14.In how many years will ₹3000 earn ₹300 simple interest at 5% per year? (a) 2 years (b) 3 years (c) 4 years (d) 1 year
15. 15.The simple interest on ₹4000 for 5 years is ₹2200. What is the rate per year? (a) 55% (b) 12% (c) 11% (d) 10%
16. 16.₹7500 is invested at 12% per year simple interest. What is the amount after 2 years? (a) ₹1800 (b) ₹9300 (c) ₹10200 (d) ₹8400
17. 17.In how many years will ₹7000 earn ₹420 simple interest at 3% per year? (a) 2 years (b) 1 year (c) 4 years (d) 3 years
18. 18.In how many years will ₹4500 earn ₹360 simple interest at 4% per year? (a) 2 years (b) 3 years (c) 1 year (d) 4 years
19. 19.What is the simple interest on ₹1000 at 5% per year for 4 years? (a) ₹50 (b) ₹250 (c) ₹200 (d) ₹1200
20. 20.In how many years will ₹8500 earn ₹2125 simple interest at 5% per year? (a) 4 years (b) 10 years (c) 5 years (d) 6 years
21. 21.In how many years will ₹3500 earn ₹525 simple interest at 5% per year? (a) 3 years (b) 6 years (c) 2 years (d) 4 years
22. 22.In how many years will ₹8500 earn ₹2975 simple interest at 7% per year? (a) 4 years (b) 6 years (c) 5 years (d) 10 years
23. 23.What is the simple interest on ₹8000 at 3% per year for 2 years? (a) ₹8480 (b) ₹240 (c) ₹720 (d) ₹480
24. 24.In how many years will ₹1500 earn ₹900 simple interest at 12% per year? (a) 5 years (b) 4 years (c) 10 years (d) 6 years
25. 25.What is the simple interest on ₹10000 at 5% per year for 2 years? (a) ₹500 (b) ₹1000 (c) ₹1500 (d) ₹11000
26. 26.What is the simple interest on ₹9500 at 9% per year for 3 years? (a) ₹855 (b) ₹12065 (c) ₹3420 (d) ₹2565
27. 27.₹8500 is invested at 8% per year simple interest. What is the amount after 2 years? (a) ₹1360 (b) ₹9180 (c) ₹9860 (d) ₹10540
28. 28.The simple interest on ₹8500 for 2 years is ₹340. What is the rate per year? (a) 2% (b) 3% (c) 1% (d) 4%
29. 29.₹6500 is invested at 8% per year simple interest. What is the amount after 4 years? (a) ₹9100 (b) ₹2080 (c) ₹8580 (d) ₹7020
30. 30.What is the simple interest on ₹6500 at 6% per year for 3 years? (a) ₹1170 (b) ₹7670 (c) ₹1560 (d) ₹390
31. 31.₹6500 is invested at 8% per year simple interest. What is the amount after 3 years? (a) ₹8060 (b) ₹8580 (c) ₹1560 (d) ₹7020
32. 32.In how many years will ₹3500 earn ₹1400 simple interest at 10% per year? (a) 8 years (b) 5 years (c) 4 years (d) 3 years
33. 33.₹4500 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹360 (b) ₹5040 (c) ₹4860 (d) ₹4680
34. 34.What is the simple interest on ₹8000 at 7% per year for 3 years? (a) ₹1680 (b) ₹560 (c) ₹2240 (d) ₹9680
35. 35.In how many years will ₹5500 earn ₹1760 simple interest at 8% per year? (a) 5 years (b) 3 years (c) 4 years (d) 8 years
36. 36.The simple interest on ₹3000 for 5 years is ₹900. What is the rate per year? (a) 7% (b) 6% (c) 5% (d) 30%
37. 37.What is the simple interest on ₹6500 at 12% per year for 2 years? (a) ₹780 (b) ₹8060 (c) ₹2340 (d) ₹1560
38. 38.In how many years will ₹6000 earn ₹1800 simple interest at 10% per year? (a) 6 years (b) 3 years (c) 2 years (d) 4 years
39. 39.The simple interest on ₹4500 for 2 years is ₹810. What is the rate per year? (a) 8% (b) 18% (c) 10% (d) 9%
40. 40.In how many years will ₹4000 earn ₹600 simple interest at 5% per year? (a) 4 years (b) 6 years (c) 3 years (d) 2 years

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