Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 865 · 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 ₹1500 earn ₹330 simple interest at 11% per year? (a) 1 year (b) 4 years (c) 2 years (d) 3 years
2. 2.The simple interest on ₹4000 for 5 years is ₹1400. What is the rate per year? (a) 35% (b) 8% (c) 6% (d) 7%
3. 3.The simple interest on ₹10000 for 3 years is ₹2100. What is the rate per year? (a) 7% (b) 21% (c) 6% (d) 8%
4. 4.What is the simple interest on ₹1000 at 5% per year for 3 years? (a) ₹50 (b) ₹150 (c) ₹1150 (d) ₹200
5. 5.In how many years will ₹6000 earn ₹360 simple interest at 2% per year? (a) 2 years (b) 4 years (c) 3 years (d) 6 years
6. 6.The simple interest on ₹5500 for 5 years is ₹825. What is the rate per year? (a) 2% (b) 4% (c) 3% (d) 15%
7. 7.₹6000 is invested at 11% per year simple interest. What is the amount after 2 years? (a) ₹1320 (b) ₹6660 (c) ₹7320 (d) ₹7980
8. 8.₹1000 is invested at 7% per year simple interest. What is the amount after 2 years? (a) ₹1070 (b) ₹1210 (c) ₹1140 (d) ₹140
9. 9.What is the simple interest on ₹8000 at 9% per year for 2 years? (a) ₹2160 (b) ₹1440 (c) ₹720 (d) ₹9440
10. 10.In how many years will ₹2000 earn ₹160 simple interest at 2% per year? (a) 4 years (b) 3 years (c) 8 years (d) 5 years
11. 11.What is the simple interest on ₹3000 at 11% per year for 2 years? (a) ₹990 (b) ₹660 (c) ₹3660 (d) ₹330
12. 12.What is the simple interest on ₹9000 at 8% per year for 5 years? (a) ₹4320 (b) ₹12600 (c) ₹720 (d) ₹3600
13. 13.The simple interest on ₹2000 for 4 years is ₹640. What is the rate per year? (a) 32% (b) 9% (c) 8% (d) 7%
14. 14.In how many years will ₹1500 earn ₹120 simple interest at 2% per year? (a) 3 years (b) 5 years (c) 4 years (d) 8 years
15. 15.In how many years will ₹10000 earn ₹3300 simple interest at 11% per year? (a) 4 years (b) 6 years (c) 3 years (d) 2 years
16. 16.What is the simple interest on ₹8500 at 4% per year for 2 years? (a) ₹1020 (b) ₹340 (c) ₹9180 (d) ₹680
17. 17.What is the simple interest on ₹8000 at 3% per year for 2 years? (a) ₹480 (b) ₹8480 (c) ₹720 (d) ₹240
18. 18.In how many years will ₹6000 earn ₹1440 simple interest at 6% per year? (a) 3 years (b) 5 years (c) 4 years (d) 8 years
19. 19.In how many years will ₹6500 earn ₹1950 simple interest at 6% per year? (a) 4 years (b) 10 years (c) 5 years (d) 6 years
20. 20.What is the simple interest on ₹7000 at 10% per year for 2 years? (a) ₹8400 (b) ₹1400 (c) ₹2100 (d) ₹700
21. 21.The simple interest on ₹1000 for 2 years is ₹200. What is the rate per year? (a) 11% (b) 20% (c) 9% (d) 10%
22. 22.What is the simple interest on ₹5000 at 7% per year for 4 years? (a) ₹350 (b) ₹1750 (c) ₹6400 (d) ₹1400
23. 23.The simple interest on ₹5000 for 2 years is ₹300. What is the rate per year? (a) 2% (b) 4% (c) 3% (d) 6%
24. 24.₹7000 is invested at 8% per year simple interest. What is the amount after 4 years? (a) ₹2240 (b) ₹9240 (c) ₹7560 (d) ₹9800
25. 25.In how many years will ₹2000 earn ₹660 simple interest at 11% per year? (a) 4 years (b) 6 years (c) 2 years (d) 3 years
26. 26.The simple interest on ₹2500 for 2 years is ₹600. What is the rate per year? (a) 13% (b) 11% (c) 12% (d) 24%
27. 27.What is the simple interest on ₹3500 at 5% per year for 5 years? (a) ₹4375 (b) ₹875 (c) ₹175 (d) ₹1050
28. 28.In how many years will ₹6000 earn ₹360 simple interest at 3% per year? (a) 1 year (b) 4 years (c) 2 years (d) 3 years
29. 29.The simple interest on ₹1500 for 5 years is ₹450. What is the rate per year? (a) 6% (b) 30% (c) 7% (d) 5%
30. 30.What is the simple interest on ₹6500 at 9% per year for 2 years? (a) ₹1755 (b) ₹7670 (c) ₹585 (d) ₹1170
31. 31.₹8500 is invested at 10% per year simple interest. What is the amount after 5 years? (a) ₹4250 (b) ₹9350 (c) ₹12750 (d) ₹13600
32. 32.₹5500 is invested at 8% per year simple interest. What is the amount after 2 years? (a) ₹880 (b) ₹5940 (c) ₹6820 (d) ₹6380
33. 33.In how many years will ₹1500 earn ₹90 simple interest at 2% per year? (a) 2 years (b) 4 years (c) 3 years (d) 6 years
34. 34.₹6500 is invested at 2% per year simple interest. What is the amount after 4 years? (a) ₹520 (b) ₹7020 (c) ₹6630 (d) ₹7150
35. 35.The simple interest on ₹4500 for 2 years is ₹810. What is the rate per year? (a) 8% (b) 10% (c) 9% (d) 18%
36. 36.In how many years will ₹8500 earn ₹680 simple interest at 4% per year? (a) 3 years (b) 4 years (c) 1 year (d) 2 years
37. 37.₹6000 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹6120 (b) ₹6360 (c) ₹240 (d) ₹6240
38. 38.₹3500 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹3710 (b) ₹3815 (c) ₹210 (d) ₹3605
39. 39.₹9500 is invested at 11% per year simple interest. What is the amount after 4 years? (a) ₹4180 (b) ₹14725 (c) ₹13680 (d) ₹10545
40. 40.What is the simple interest on ₹1500 at 11% per year for 2 years? (a) ₹495 (b) ₹330 (c) ₹1830 (d) ₹165

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