Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 562 · 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 ₹10000 at 6% per year for 3 years? (a) ₹600 (b) ₹1800 (c) ₹11800 (d) ₹2400
2. 2.In how many years will ₹1500 earn ₹495 simple interest at 11% per year? (a) 2 years (b) 4 years (c) 3 years (d) 6 years
3. 3.₹6000 is invested at 10% per year simple interest. What is the amount after 5 years? (a) ₹9600 (b) ₹9000 (c) ₹3000 (d) ₹6600
4. 4.₹7000 is invested at 6% per year simple interest. What is the amount after 4 years? (a) ₹9100 (b) ₹8680 (c) ₹7420 (d) ₹1680
5. 5.What is the simple interest on ₹2500 at 12% per year for 5 years? (a) ₹300 (b) ₹4000 (c) ₹1500 (d) ₹1800
6. 6.In how many years will ₹8000 earn ₹1120 simple interest at 7% per year? (a) 3 years (b) 4 years (c) 2 years (d) 1 year
7. 7.The simple interest on ₹4000 for 4 years is ₹1280. What is the rate per year? (a) 32% (b) 7% (c) 8% (d) 9%
8. 8.What is the simple interest on ₹8000 at 8% per year for 2 years? (a) ₹1920 (b) ₹9280 (c) ₹1280 (d) ₹640
9. 9.In how many years will ₹6500 earn ₹975 simple interest at 3% per year? (a) 6 years (b) 5 years (c) 10 years (d) 4 years
10. 10.What is the simple interest on ₹1500 at 12% per year for 3 years? (a) ₹720 (b) ₹540 (c) ₹2040 (d) ₹180
11. 11.₹8000 is invested at 4% per year simple interest. What is the amount after 3 years? (a) ₹8320 (b) ₹8960 (c) ₹960 (d) ₹9280
12. 12.The simple interest on ₹3000 for 3 years is ₹270. What is the rate per year? (a) 9% (b) 3% (c) 4% (d) 2%
13. 13.In how many years will ₹1000 earn ₹200 simple interest at 10% per year? (a) 4 years (b) 3 years (c) 1 year (d) 2 years
14. 14.In how many years will ₹6500 earn ₹1170 simple interest at 6% per year? (a) 4 years (b) 6 years (c) 2 years (d) 3 years
15. 15.What is the simple interest on ₹9000 at 4% per year for 5 years? (a) ₹2160 (b) ₹10800 (c) ₹360 (d) ₹1800
16. 16.The simple interest on ₹4000 for 4 years is ₹480. What is the rate per year? (a) 12% (b) 3% (c) 2% (d) 4%
17. 17.In how many years will ₹6500 earn ₹1300 simple interest at 10% per year? (a) 3 years (b) 2 years (c) 4 years (d) 1 year
18. 18.The simple interest on ₹3500 for 4 years is ₹560. What is the rate per year? (a) 3% (b) 16% (c) 5% (d) 4%
19. 19.What is the simple interest on ₹4000 at 3% per year for 2 years? (a) ₹4240 (b) ₹360 (c) ₹120 (d) ₹240
20. 20.The simple interest on ₹7000 for 5 years is ₹2800. What is the rate per year? (a) 40% (b) 9% (c) 7% (d) 8%
21. 21.What is the simple interest on ₹7000 at 11% per year for 5 years? (a) ₹4620 (b) ₹770 (c) ₹3850 (d) ₹10850
22. 22.₹9000 is invested at 5% per year simple interest. What is the amount after 3 years? (a) ₹1350 (b) ₹10800 (c) ₹10350 (d) ₹9450
23. 23.₹4500 is invested at 8% per year simple interest. What is the amount after 2 years? (a) ₹5580 (b) ₹4860 (c) ₹720 (d) ₹5220
24. 24.What is the simple interest on ₹1000 at 9% per year for 5 years? (a) ₹540 (b) ₹90 (c) ₹1450 (d) ₹450
25. 25.₹6000 is invested at 10% per year simple interest. What is the amount after 4 years? (a) ₹2400 (b) ₹8400 (c) ₹6600 (d) ₹9000
26. 26.₹5500 is invested at 2% per year simple interest. What is the amount after 4 years? (a) ₹5940 (b) ₹5610 (c) ₹440 (d) ₹6050
27. 27.₹5500 is invested at 2% per year simple interest. What is the amount after 5 years? (a) ₹6050 (b) ₹550 (c) ₹5610 (d) ₹6160
28. 28.In how many years will ₹1000 earn ₹200 simple interest at 5% per year? (a) 3 years (b) 5 years (c) 8 years (d) 4 years
29. 29.What is the simple interest on ₹8000 at 9% per year for 3 years? (a) ₹720 (b) ₹2880 (c) ₹2160 (d) ₹10160
30. 30.₹1500 is invested at 6% per year simple interest. What is the amount after 3 years? (a) ₹1590 (b) ₹1860 (c) ₹270 (d) ₹1770
31. 31.₹5500 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹330 (b) ₹5995 (c) ₹5665 (d) ₹5830
32. 32.₹1500 is invested at 8% per year simple interest. What is the amount after 3 years? (a) ₹360 (b) ₹1980 (c) ₹1620 (d) ₹1860
33. 33.In how many years will ₹7000 earn ₹630 simple interest at 3% per year? (a) 6 years (b) 4 years (c) 3 years (d) 2 years
34. 34.In how many years will ₹8500 earn ₹5100 simple interest at 12% per year? (a) 4 years (b) 5 years (c) 10 years (d) 6 years
35. 35.In how many years will ₹2500 earn ₹1500 simple interest at 12% per year? (a) 4 years (b) 5 years (c) 6 years (d) 10 years
36. 36.What is the simple interest on ₹2500 at 7% per year for 4 years? (a) ₹3200 (b) ₹875 (c) ₹175 (d) ₹700
37. 37.What is the simple interest on ₹8500 at 5% per year for 4 years? (a) ₹1700 (b) ₹10200 (c) ₹2125 (d) ₹425
38. 38.What is the simple interest on ₹8500 at 8% per year for 3 years? (a) ₹10540 (b) ₹2720 (c) ₹2040 (d) ₹680
39. 39.₹3500 is invested at 12% per year simple interest. What is the amount after 2 years? (a) ₹4340 (b) ₹840 (c) ₹4760 (d) ₹3920
40. 40.The simple interest on ₹1000 for 2 years is ₹180. What is the rate per year? (a) 18% (b) 8% (c) 9% (d) 10%

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