Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 297 · 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 ₹6000 earn ₹960 simple interest at 4% per year? (a) 3 years (b) 4 years (c) 5 years (d) 8 years
2. 2.What is the simple interest on ₹7000 at 10% per year for 3 years? (a) ₹9100 (b) ₹2800 (c) ₹2100 (d) ₹700
3. 3.₹6500 is invested at 10% per year simple interest. What is the amount after 3 years? (a) ₹9100 (b) ₹1950 (c) ₹7150 (d) ₹8450
4. 4.The simple interest on ₹8000 for 5 years is ₹3200. What is the rate per year? (a) 7% (b) 9% (c) 8% (d) 40%
5. 5.The simple interest on ₹9500 for 5 years is ₹3325. What is the rate per year? (a) 7% (b) 8% (c) 35% (d) 6%
6. 6.What is the simple interest on ₹9500 at 4% per year for 5 years? (a) ₹380 (b) ₹1900 (c) ₹2280 (d) ₹11400
7. 7.What is the simple interest on ₹2000 at 8% per year for 5 years? (a) ₹800 (b) ₹160 (c) ₹960 (d) ₹2800
8. 8.The simple interest on ₹5000 for 4 years is ₹1000. What is the rate per year? (a) 6% (b) 4% (c) 5% (d) 20%
9. 9.₹8500 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹8840 (b) ₹9180 (c) ₹680 (d) ₹9520
10. 10.₹2500 is invested at 9% per year simple interest. What is the amount after 4 years? (a) ₹3625 (b) ₹2725 (c) ₹3400 (d) ₹900
11. 11.The simple interest on ₹9000 for 5 years is ₹5400. What is the rate per year? (a) 11% (b) 60% (c) 13% (d) 12%
12. 12.In how many years will ₹4500 earn ₹270 simple interest at 3% per year? (a) 3 years (b) 1 year (c) 4 years (d) 2 years
13. 13.₹5000 is invested at 2% per year simple interest. What is the amount after 3 years? (a) ₹5400 (b) ₹300 (c) ₹5100 (d) ₹5300
14. 14.₹5000 is invested at 11% per year simple interest. What is the amount after 3 years? (a) ₹6650 (b) ₹7200 (c) ₹1650 (d) ₹5550
15. 15.What is the simple interest on ₹6000 at 11% per year for 2 years? (a) ₹1980 (b) ₹1320 (c) ₹7320 (d) ₹660
16. 16.In how many years will ₹3000 earn ₹810 simple interest at 9% per year? (a) 6 years (b) 4 years (c) 2 years (d) 3 years
17. 17.₹5500 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹5665 (b) ₹5995 (c) ₹5830 (d) ₹330
18. 18.In how many years will ₹9000 earn ₹1260 simple interest at 7% per year? (a) 1 year (b) 4 years (c) 3 years (d) 2 years
19. 19.In how many years will ₹4500 earn ₹1125 simple interest at 5% per year? (a) 4 years (b) 6 years (c) 10 years (d) 5 years
20. 20.₹4500 is invested at 10% per year simple interest. What is the amount after 2 years? (a) ₹900 (b) ₹4950 (c) ₹5400 (d) ₹5850
21. 21.₹6500 is invested at 9% per year simple interest. What is the amount after 4 years? (a) ₹7085 (b) ₹9425 (c) ₹2340 (d) ₹8840
22. 22.What is the simple interest on ₹2500 at 2% per year for 2 years? (a) ₹50 (b) ₹2600 (c) ₹150 (d) ₹100
23. 23.What is the simple interest on ₹9500 at 4% per year for 3 years? (a) ₹10640 (b) ₹1140 (c) ₹380 (d) ₹1520
24. 24.The simple interest on ₹6000 for 3 years is ₹1080. What is the rate per year? (a) 18% (b) 6% (c) 7% (d) 5%
25. 25.In how many years will ₹3500 earn ₹280 simple interest at 2% per year? (a) 4 years (b) 8 years (c) 5 years (d) 3 years
26. 26.In how many years will ₹8500 earn ₹4675 simple interest at 11% per year? (a) 6 years (b) 4 years (c) 10 years (d) 5 years
27. 27.₹3000 is invested at 9% per year simple interest. What is the amount after 3 years? (a) ₹3270 (b) ₹810 (c) ₹4080 (d) ₹3810
28. 28.What is the simple interest on ₹5000 at 7% per year for 2 years? (a) ₹5700 (b) ₹700 (c) ₹350 (d) ₹1050
29. 29.₹2000 is invested at 5% per year simple interest. What is the amount after 5 years? (a) ₹2500 (b) ₹2600 (c) ₹2100 (d) ₹500
30. 30.The simple interest on ₹8000 for 4 years is ₹3840. What is the rate per year? (a) 13% (b) 12% (c) 48% (d) 11%
31. 31.The simple interest on ₹4000 for 3 years is ₹1200. What is the rate per year? (a) 11% (b) 30% (c) 9% (d) 10%
32. 32.What is the simple interest on ₹6000 at 5% per year for 4 years? (a) ₹1500 (b) ₹7200 (c) ₹1200 (d) ₹300
33. 33.₹10000 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹10300 (b) ₹10600 (c) ₹600 (d) ₹10900
34. 34.What is the simple interest on ₹2500 at 9% per year for 4 years? (a) ₹225 (b) ₹900 (c) ₹3400 (d) ₹1125
35. 35.What is the simple interest on ₹2000 at 11% per year for 2 years? (a) ₹660 (b) ₹2440 (c) ₹440 (d) ₹220
36. 36.What is the simple interest on ₹8500 at 7% per year for 3 years? (a) ₹1785 (b) ₹595 (c) ₹10285 (d) ₹2380
37. 37.The simple interest on ₹3500 for 3 years is ₹945. What is the rate per year? (a) 27% (b) 9% (c) 8% (d) 10%
38. 38.₹9500 is invested at 10% per year simple interest. What is the amount after 2 years? (a) ₹11400 (b) ₹12350 (c) ₹10450 (d) ₹1900
39. 39.What is the simple interest on ₹1500 at 4% per year for 5 years? (a) ₹60 (b) ₹360 (c) ₹300 (d) ₹1800
40. 40.₹6000 is invested at 3% per year simple interest. What is the amount after 4 years? (a) ₹6720 (b) ₹6180 (c) ₹720 (d) ₹6900

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