Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 517 · 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 ₹6000 at 4% per year for 4 years? (a) ₹1200 (b) ₹6960 (c) ₹240 (d) ₹960
2. 2.What is the simple interest on ₹4500 at 10% per year for 2 years? (a) ₹900 (b) ₹5400 (c) ₹1350 (d) ₹450
3. 3.In how many years will ₹1000 earn ₹550 simple interest at 11% per year? (a) 6 years (b) 10 years (c) 5 years (d) 4 years
4. 4.In how many years will ₹2000 earn ₹800 simple interest at 8% per year? (a) 5 years (b) 6 years (c) 4 years (d) 10 years
5. 5.What is the simple interest on ₹7000 at 2% per year for 5 years? (a) ₹140 (b) ₹840 (c) ₹700 (d) ₹7700
6. 6.The simple interest on ₹5500 for 5 years is ₹2475. What is the rate per year? (a) 45% (b) 10% (c) 8% (d) 9%
7. 7.₹6500 is invested at 2% per year simple interest. What is the amount after 3 years? (a) ₹7020 (b) ₹6630 (c) ₹6890 (d) ₹390
8. 8.The simple interest on ₹2500 for 3 years is ₹900. What is the rate per year? (a) 13% (b) 11% (c) 36% (d) 12%
9. 9.₹6000 is invested at 8% per year simple interest. What is the amount after 2 years? (a) ₹7440 (b) ₹6960 (c) ₹6480 (d) ₹960
10. 10.In how many years will ₹2000 earn ₹800 simple interest at 10% per year? (a) 8 years (b) 5 years (c) 3 years (d) 4 years
11. 11.₹6500 is invested at 8% per year simple interest. What is the amount after 3 years? (a) ₹8580 (b) ₹7020 (c) ₹8060 (d) ₹1560
12. 12.₹2500 is invested at 3% per year simple interest. What is the amount after 3 years? (a) ₹2800 (b) ₹2575 (c) ₹2725 (d) ₹225
13. 13.The simple interest on ₹9500 for 2 years is ₹1140. What is the rate per year? (a) 12% (b) 6% (c) 7% (d) 5%
14. 14.₹3000 is invested at 3% per year simple interest. What is the amount after 5 years? (a) ₹3090 (b) ₹3450 (c) ₹450 (d) ₹3540
15. 15.₹8500 is invested at 8% per year simple interest. What is the amount after 4 years? (a) ₹11220 (b) ₹11900 (c) ₹2720 (d) ₹9180
16. 16.The simple interest on ₹10000 for 2 years is ₹400. What is the rate per year? (a) 2% (b) 1% (c) 3% (d) 4%
17. 17.₹3000 is invested at 4% per year simple interest. What is the amount after 5 years? (a) ₹3720 (b) ₹600 (c) ₹3120 (d) ₹3600
18. 18.What is the simple interest on ₹6000 at 8% per year for 5 years? (a) ₹480 (b) ₹2400 (c) ₹2880 (d) ₹8400
19. 19.The simple interest on ₹1500 for 2 years is ₹60. What is the rate per year? (a) 4% (b) 1% (c) 3% (d) 2%
20. 20.₹2500 is invested at 11% per year simple interest. What is the amount after 4 years? (a) ₹2775 (b) ₹3600 (c) ₹3875 (d) ₹1100
21. 21.The simple interest on ₹6500 for 2 years is ₹910. What is the rate per year? (a) 8% (b) 6% (c) 7% (d) 14%
22. 22.₹1500 is invested at 5% per year simple interest. What is the amount after 2 years? (a) ₹1725 (b) ₹1650 (c) ₹150 (d) ₹1575
23. 23.What is the simple interest on ₹7000 at 6% per year for 4 years? (a) ₹420 (b) ₹8680 (c) ₹1680 (d) ₹2100
24. 24.The simple interest on ₹8500 for 4 years is ₹1700. What is the rate per year? (a) 6% (b) 4% (c) 5% (d) 20%
25. 25.In how many years will ₹1500 earn ₹720 simple interest at 12% per year? (a) 5 years (b) 8 years (c) 4 years (d) 3 years
26. 26.The simple interest on ₹6000 for 4 years is ₹2880. What is the rate per year? (a) 12% (b) 11% (c) 48% (d) 13%
27. 27.What is the simple interest on ₹2000 at 8% per year for 4 years? (a) ₹800 (b) ₹640 (c) ₹2640 (d) ₹160
28. 28.What is the simple interest on ₹8000 at 2% per year for 4 years? (a) ₹8640 (b) ₹640 (c) ₹800 (d) ₹160
29. 29.What is the simple interest on ₹7500 at 4% per year for 4 years? (a) ₹300 (b) ₹1500 (c) ₹8700 (d) ₹1200
30. 30.In how many years will ₹1000 earn ₹100 simple interest at 2% per year? (a) 5 years (b) 4 years (c) 6 years (d) 10 years
31. 31.The simple interest on ₹1000 for 2 years is ₹140. What is the rate per year? (a) 8% (b) 6% (c) 14% (d) 7%
32. 32.The simple interest on ₹6500 for 4 years is ₹1560. What is the rate per year? (a) 5% (b) 6% (c) 24% (d) 7%
33. 33.₹1500 is invested at 8% per year simple interest. What is the amount after 3 years? (a) ₹1620 (b) ₹1860 (c) ₹360 (d) ₹1980
34. 34.In how many years will ₹4500 earn ₹900 simple interest at 4% per year? (a) 4 years (b) 6 years (c) 10 years (d) 5 years
35. 35.What is the simple interest on ₹9500 at 5% per year for 2 years? (a) ₹1425 (b) ₹950 (c) ₹475 (d) ₹10450
36. 36.In how many years will ₹2000 earn ₹1100 simple interest at 11% per year? (a) 10 years (b) 6 years (c) 5 years (d) 4 years
37. 37.What is the simple interest on ₹3000 at 8% per year for 5 years? (a) ₹1440 (b) ₹240 (c) ₹1200 (d) ₹4200
38. 38.In how many years will ₹6000 earn ₹2400 simple interest at 8% per year? (a) 4 years (b) 6 years (c) 10 years (d) 5 years
39. 39.₹3000 is invested at 5% per year simple interest. What is the amount after 2 years? (a) ₹300 (b) ₹3150 (c) ₹3300 (d) ₹3450
40. 40.₹6000 is invested at 7% per year simple interest. What is the amount after 4 years? (a) ₹1680 (b) ₹8100 (c) ₹6420 (d) ₹7680

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