Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 363 · 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 ₹3500 at 12% per year for 4 years? (a) ₹5180 (b) ₹1680 (c) ₹2100 (d) ₹420
2. 2.The simple interest on ₹7000 for 2 years is ₹840. What is the rate per year? (a) 5% (b) 7% (c) 6% (d) 12%
3. 3.The simple interest on ₹7500 for 3 years is ₹2250. What is the rate per year? (a) 11% (b) 30% (c) 9% (d) 10%
4. 4.What is the simple interest on ₹5000 at 3% per year for 5 years? (a) ₹5750 (b) ₹150 (c) ₹900 (d) ₹750
5. 5.In how many years will ₹1500 earn ₹60 simple interest at 2% per year? (a) 1 year (b) 2 years (c) 4 years (d) 3 years
6. 6.In how many years will ₹8500 earn ₹340 simple interest at 2% per year? (a) 2 years (b) 3 years (c) 1 year (d) 4 years
7. 7.In how many years will ₹4000 earn ₹800 simple interest at 10% per year? (a) 4 years (b) 1 year (c) 2 years (d) 3 years
8. 8.In how many years will ₹10000 earn ₹2400 simple interest at 8% per year? (a) 3 years (b) 2 years (c) 6 years (d) 4 years
9. 9.₹2000 is invested at 5% per year simple interest. What is the amount after 3 years? (a) ₹2300 (b) ₹2100 (c) ₹2400 (d) ₹300
10. 10.What is the simple interest on ₹8000 at 6% per year for 3 years? (a) ₹1920 (b) ₹1440 (c) ₹9440 (d) ₹480
11. 11.₹8500 is invested at 7% per year simple interest. What is the amount after 5 years? (a) ₹2975 (b) ₹9095 (c) ₹11475 (d) ₹12070
12. 12.₹1500 is invested at 6% per year simple interest. What is the amount after 5 years? (a) ₹1590 (b) ₹1950 (c) ₹2040 (d) ₹450
13. 13.In how many years will ₹3500 earn ₹630 simple interest at 6% per year? (a) 6 years (b) 3 years (c) 2 years (d) 4 years
14. 14.₹3500 is invested at 2% per year simple interest. What is the amount after 3 years? (a) ₹210 (b) ₹3780 (c) ₹3710 (d) ₹3570
15. 15.What is the simple interest on ₹9000 at 5% per year for 4 years? (a) ₹450 (b) ₹10800 (c) ₹1800 (d) ₹2250
16. 16.In how many years will ₹6000 earn ₹600 simple interest at 2% per year? (a) 6 years (b) 5 years (c) 4 years (d) 10 years
17. 17.The simple interest on ₹1000 for 3 years is ₹60. What is the rate per year? (a) 2% (b) 6% (c) 3% (d) 1%
18. 18.₹8500 is invested at 10% per year simple interest. What is the amount after 5 years? (a) ₹4250 (b) ₹12750 (c) ₹13600 (d) ₹9350
19. 19.What is the simple interest on ₹2000 at 10% per year for 2 years? (a) ₹200 (b) ₹600 (c) ₹2400 (d) ₹400
20. 20.In how many years will ₹2000 earn ₹800 simple interest at 8% per year? (a) 10 years (b) 6 years (c) 4 years (d) 5 years
21. 21.What is the simple interest on ₹8000 at 9% per year for 5 years? (a) ₹11600 (b) ₹3600 (c) ₹720 (d) ₹4320
22. 22.In how many years will ₹9000 earn ₹1800 simple interest at 10% per year? (a) 3 years (b) 4 years (c) 2 years (d) 1 year
23. 23.In how many years will ₹5500 earn ₹220 simple interest at 2% per year? (a) 1 year (b) 2 years (c) 4 years (d) 3 years
24. 24.The simple interest on ₹6500 for 2 years is ₹260. What is the rate per year? (a) 4% (b) 3% (c) 2% (d) 1%
25. 25.₹8500 is invested at 4% per year simple interest. What is the amount after 3 years? (a) ₹9860 (b) ₹8840 (c) ₹1020 (d) ₹9520
26. 26.What is the simple interest on ₹4000 at 6% per year for 2 years? (a) ₹720 (b) ₹4480 (c) ₹240 (d) ₹480
27. 27.₹7500 is invested at 6% per year simple interest. What is the amount after 2 years? (a) ₹7950 (b) ₹8400 (c) ₹8850 (d) ₹900
28. 28.What is the simple interest on ₹5500 at 10% per year for 5 years? (a) ₹3300 (b) ₹8250 (c) ₹2750 (d) ₹550
29. 29.What is the simple interest on ₹9000 at 2% per year for 3 years? (a) ₹180 (b) ₹720 (c) ₹540 (d) ₹9540
30. 30.What is the simple interest on ₹1500 at 9% per year for 4 years? (a) ₹2040 (b) ₹540 (c) ₹675 (d) ₹135
31. 31.The simple interest on ₹6000 for 5 years is ₹1200. What is the rate per year? (a) 3% (b) 20% (c) 4% (d) 5%
32. 32.What is the simple interest on ₹4000 at 10% per year for 2 years? (a) ₹400 (b) ₹4800 (c) ₹800 (d) ₹1200
33. 33.What is the simple interest on ₹1000 at 4% per year for 4 years? (a) ₹160 (b) ₹200 (c) ₹40 (d) ₹1160
34. 34.In how many years will ₹3000 earn ₹630 simple interest at 7% per year? (a) 2 years (b) 6 years (c) 3 years (d) 4 years
35. 35.In how many years will ₹4500 earn ₹720 simple interest at 8% per year? (a) 1 year (b) 2 years (c) 3 years (d) 4 years
36. 36.What is the simple interest on ₹1500 at 3% per year for 3 years? (a) ₹45 (b) ₹135 (c) ₹1635 (d) ₹180
37. 37.₹1000 is invested at 12% per year simple interest. What is the amount after 5 years? (a) ₹600 (b) ₹1120 (c) ₹1720 (d) ₹1600
38. 38.₹4500 is invested at 12% per year simple interest. What is the amount after 2 years? (a) ₹5580 (b) ₹5040 (c) ₹6120 (d) ₹1080
39. 39.In how many years will ₹2000 earn ₹700 simple interest at 7% per year? (a) 10 years (b) 4 years (c) 6 years (d) 5 years
40. 40.₹9000 is invested at 11% per year simple interest. What is the amount after 4 years? (a) ₹9990 (b) ₹13950 (c) ₹3960 (d) ₹12960

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