Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 210 · 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 ₹7000 at 12% per year for 2 years? (a) ₹8680 (b) ₹1680 (c) ₹840 (d) ₹2520
2. 2.₹4000 is invested at 7% per year simple interest. What is the amount after 2 years? (a) ₹4280 (b) ₹4840 (c) ₹560 (d) ₹4560
3. 3.What is the simple interest on ₹9000 at 3% per year for 5 years? (a) ₹270 (b) ₹1620 (c) ₹10350 (d) ₹1350
4. 4.₹2000 is invested at 10% per year simple interest. What is the amount after 5 years? (a) ₹3000 (b) ₹2200 (c) ₹3200 (d) ₹1000
5. 5.In how many years will ₹1500 earn ₹270 simple interest at 9% per year? (a) 3 years (b) 4 years (c) 1 year (d) 2 years
6. 6.In how many years will ₹4500 earn ₹1800 simple interest at 8% per year? (a) 4 years (b) 5 years (c) 6 years (d) 10 years
7. 7.₹2500 is invested at 11% per year simple interest. What is the amount after 3 years? (a) ₹2775 (b) ₹825 (c) ₹3325 (d) ₹3600
8. 8.In how many years will ₹3500 earn ₹1260 simple interest at 12% per year? (a) 3 years (b) 2 years (c) 6 years (d) 4 years
9. 9.The simple interest on ₹1000 for 3 years is ₹60. What is the rate per year? (a) 6% (b) 3% (c) 2% (d) 1%
10. 10.The simple interest on ₹6500 for 4 years is ₹780. What is the rate per year? (a) 4% (b) 12% (c) 2% (d) 3%
11. 11.What is the simple interest on ₹10000 at 12% per year for 4 years? (a) ₹4800 (b) ₹1200 (c) ₹6000 (d) ₹14800
12. 12.The simple interest on ₹10000 for 3 years is ₹2100. What is the rate per year? (a) 7% (b) 6% (c) 8% (d) 21%
13. 13.In how many years will ₹5500 earn ₹1980 simple interest at 9% per year? (a) 3 years (b) 4 years (c) 5 years (d) 8 years
14. 14.In how many years will ₹6000 earn ₹600 simple interest at 5% per year? (a) 4 years (b) 3 years (c) 2 years (d) 1 year
15. 15.₹1500 is invested at 6% per year simple interest. What is the amount after 5 years? (a) ₹1590 (b) ₹2040 (c) ₹1950 (d) ₹450
16. 16.What is the simple interest on ₹5500 at 8% per year for 2 years? (a) ₹6380 (b) ₹1320 (c) ₹880 (d) ₹440
17. 17.In how many years will ₹2500 earn ₹350 simple interest at 7% per year? (a) 2 years (b) 1 year (c) 4 years (d) 3 years
18. 18.In how many years will ₹4000 earn ₹1440 simple interest at 9% per year? (a) 4 years (b) 3 years (c) 5 years (d) 8 years
19. 19.In how many years will ₹8000 earn ₹1200 simple interest at 5% per year? (a) 2 years (b) 3 years (c) 4 years (d) 6 years
20. 20.What is the simple interest on ₹10000 at 11% per year for 5 years? (a) ₹1100 (b) ₹5500 (c) ₹6600 (d) ₹15500
21. 21.What is the simple interest on ₹9000 at 9% per year for 5 years? (a) ₹810 (b) ₹4050 (c) ₹13050 (d) ₹4860
22. 22.In how many years will ₹4000 earn ₹480 simple interest at 4% per year? (a) 4 years (b) 2 years (c) 3 years (d) 6 years
23. 23.The simple interest on ₹9000 for 3 years is ₹540. What is the rate per year? (a) 3% (b) 1% (c) 6% (d) 2%
24. 24.What is the simple interest on ₹3500 at 3% per year for 3 years? (a) ₹315 (b) ₹420 (c) ₹105 (d) ₹3815
25. 25.₹5500 is invested at 9% per year simple interest. What is the amount after 3 years? (a) ₹7480 (b) ₹5995 (c) ₹1485 (d) ₹6985
26. 26.In how many years will ₹5000 earn ₹750 simple interest at 5% per year? (a) 4 years (b) 6 years (c) 2 years (d) 3 years
27. 27.In how many years will ₹3000 earn ₹270 simple interest at 3% per year? (a) 4 years (b) 2 years (c) 3 years (d) 6 years
28. 28.What is the simple interest on ₹5000 at 6% per year for 4 years? (a) ₹300 (b) ₹1200 (c) ₹1500 (d) ₹6200
29. 29.What is the simple interest on ₹5500 at 4% per year for 3 years? (a) ₹880 (b) ₹220 (c) ₹6160 (d) ₹660
30. 30.In how many years will ₹9000 earn ₹720 simple interest at 4% per year? (a) 2 years (b) 4 years (c) 1 year (d) 3 years
31. 31.In how many years will ₹3000 earn ₹810 simple interest at 9% per year? (a) 6 years (b) 2 years (c) 3 years (d) 4 years
32. 32.The simple interest on ₹10000 for 2 years is ₹1000. What is the rate per year? (a) 10% (b) 5% (c) 6% (d) 4%
33. 33.The simple interest on ₹8500 for 5 years is ₹1275. What is the rate per year? (a) 4% (b) 2% (c) 15% (d) 3%
34. 34.₹4000 is invested at 10% per year simple interest. What is the amount after 3 years? (a) ₹4400 (b) ₹5600 (c) ₹1200 (d) ₹5200
35. 35.₹9500 is invested at 5% per year simple interest. What is the amount after 2 years? (a) ₹9975 (b) ₹10925 (c) ₹950 (d) ₹10450
36. 36.₹5500 is invested at 9% per year simple interest. What is the amount after 2 years? (a) ₹990 (b) ₹6985 (c) ₹5995 (d) ₹6490
37. 37.₹8500 is invested at 10% per year simple interest. What is the amount after 3 years? (a) ₹9350 (b) ₹11900 (c) ₹2550 (d) ₹11050
38. 38.What is the simple interest on ₹6500 at 9% per year for 2 years? (a) ₹1755 (b) ₹7670 (c) ₹585 (d) ₹1170
39. 39.The simple interest on ₹4000 for 2 years is ₹160. What is the rate per year? (a) 1% (b) 3% (c) 2% (d) 4%
40. 40.In how many years will ₹8500 earn ₹4250 simple interest at 10% per year? (a) 6 years (b) 10 years (c) 5 years (d) 4 years

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