Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 966 · 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.The simple interest on ₹9000 for 4 years is ₹1440. What is the rate per year? (a) 16% (b) 3% (c) 4% (d) 5%
2. 2.In how many years will ₹5500 earn ₹2420 simple interest at 11% per year? (a) 3 years (b) 4 years (c) 8 years (d) 5 years
3. 3.What is the simple interest on ₹6500 at 2% per year for 5 years? (a) ₹780 (b) ₹650 (c) ₹130 (d) ₹7150
4. 4.₹2000 is invested at 10% per year simple interest. What is the amount after 3 years? (a) ₹2800 (b) ₹2200 (c) ₹2600 (d) ₹600
5. 5.In how many years will ₹4500 earn ₹1575 simple interest at 7% per year? (a) 5 years (b) 6 years (c) 4 years (d) 10 years
6. 6.In how many years will ₹6000 earn ₹900 simple interest at 5% per year? (a) 3 years (b) 6 years (c) 2 years (d) 4 years
7. 7.In how many years will ₹4000 earn ₹1200 simple interest at 10% per year? (a) 4 years (b) 3 years (c) 2 years (d) 6 years
8. 8.The simple interest on ₹6000 for 5 years is ₹2400. What is the rate per year? (a) 7% (b) 9% (c) 40% (d) 8%
9. 9.What is the simple interest on ₹6500 at 9% per year for 2 years? (a) ₹7670 (b) ₹1755 (c) ₹585 (d) ₹1170
10. 10.In how many years will ₹10000 earn ₹1600 simple interest at 4% per year? (a) 4 years (b) 5 years (c) 3 years (d) 8 years
11. 11.In how many years will ₹1500 earn ₹375 simple interest at 5% per year? (a) 5 years (b) 6 years (c) 4 years (d) 10 years
12. 12.What is the simple interest on ₹3000 at 7% per year for 5 years? (a) ₹4050 (b) ₹210 (c) ₹1050 (d) ₹1260
13. 13.What is the simple interest on ₹3500 at 10% per year for 2 years? (a) ₹350 (b) ₹4200 (c) ₹700 (d) ₹1050
14. 14.What is the simple interest on ₹10000 at 9% per year for 5 years? (a) ₹4500 (b) ₹5400 (c) ₹900 (d) ₹14500
15. 15.The simple interest on ₹6000 for 2 years is ₹1320. What is the rate per year? (a) 22% (b) 11% (c) 10% (d) 12%
16. 16.What is the simple interest on ₹2500 at 11% per year for 5 years? (a) ₹3875 (b) ₹1650 (c) ₹275 (d) ₹1375
17. 17.What is the simple interest on ₹10000 at 8% per year for 2 years? (a) ₹800 (b) ₹2400 (c) ₹1600 (d) ₹11600
18. 18.₹3500 is invested at 3% per year simple interest. What is the amount after 3 years? (a) ₹3605 (b) ₹3920 (c) ₹3815 (d) ₹315
19. 19.In how many years will ₹1000 earn ₹440 simple interest at 11% per year? (a) 3 years (b) 5 years (c) 4 years (d) 8 years
20. 20.What is the simple interest on ₹8500 at 9% per year for 4 years? (a) ₹11560 (b) ₹3825 (c) ₹765 (d) ₹3060
21. 21.What is the simple interest on ₹3000 at 10% per year for 5 years? (a) ₹1800 (b) ₹300 (c) ₹4500 (d) ₹1500
22. 22.₹5000 is invested at 2% per year simple interest. What is the amount after 3 years? (a) ₹300 (b) ₹5300 (c) ₹5100 (d) ₹5400
23. 23.The simple interest on ₹8500 for 2 years is ₹510. What is the rate per year? (a) 6% (b) 4% (c) 3% (d) 2%
24. 24.₹8500 is invested at 8% per year simple interest. What is the amount after 2 years? (a) ₹10540 (b) ₹1360 (c) ₹9180 (d) ₹9860
25. 25.What is the simple interest on ₹3000 at 9% per year for 4 years? (a) ₹270 (b) ₹1080 (c) ₹1350 (d) ₹4080
26. 26.The simple interest on ₹4500 for 4 years is ₹1260. What is the rate per year? (a) 28% (b) 8% (c) 6% (d) 7%
27. 27.₹8000 is invested at 9% per year simple interest. What is the amount after 2 years? (a) ₹9440 (b) ₹8720 (c) ₹1440 (d) ₹10160
28. 28.₹5500 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹5665 (b) ₹5995 (c) ₹330 (d) ₹5830
29. 29.₹4000 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹4320 (b) ₹4160 (c) ₹4480 (d) ₹320
30. 30.The simple interest on ₹9000 for 4 years is ₹1800. What is the rate per year? (a) 6% (b) 4% (c) 5% (d) 20%
31. 31.The simple interest on ₹2500 for 3 years is ₹150. What is the rate per year? (a) 3% (b) 2% (c) 6% (d) 1%
32. 32.The simple interest on ₹9000 for 5 years is ₹4500. What is the rate per year? (a) 9% (b) 50% (c) 10% (d) 11%
33. 33.₹9500 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹9690 (b) ₹9880 (c) ₹380 (d) ₹10070
34. 34.What is the simple interest on ₹10000 at 4% per year for 4 years? (a) ₹400 (b) ₹11600 (c) ₹2000 (d) ₹1600
35. 35.₹8500 is invested at 2% per year simple interest. What is the amount after 4 years? (a) ₹9350 (b) ₹8670 (c) ₹680 (d) ₹9180
36. 36.The simple interest on ₹2000 for 2 years is ₹440. What is the rate per year? (a) 10% (b) 22% (c) 12% (d) 11%
37. 37.What is the simple interest on ₹7000 at 11% per year for 3 years? (a) ₹2310 (b) ₹9310 (c) ₹770 (d) ₹3080
38. 38.₹2000 is invested at 6% per year simple interest. What is the amount after 5 years? (a) ₹2720 (b) ₹2600 (c) ₹600 (d) ₹2120
39. 39.What is the simple interest on ₹9000 at 9% per year for 5 years? (a) ₹4860 (b) ₹13050 (c) ₹4050 (d) ₹810
40. 40.What is the simple interest on ₹3500 at 6% per year for 4 years? (a) ₹4340 (b) ₹840 (c) ₹1050 (d) ₹210

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