Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 490 · 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 ₹6500 at 8% per year for 2 years? (a) ₹520 (b) ₹7540 (c) ₹1040 (d) ₹1560
2. 2.The simple interest on ₹6000 for 5 years is ₹2100. What is the rate per year? (a) 6% (b) 8% (c) 35% (d) 7%
3. 3.The simple interest on ₹1500 for 2 years is ₹270. What is the rate per year? (a) 18% (b) 10% (c) 8% (d) 9%
4. 4.₹1500 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹90 (b) ₹1635 (c) ₹1545 (d) ₹1590
5. 5.The simple interest on ₹7500 for 2 years is ₹1650. What is the rate per year? (a) 12% (b) 22% (c) 11% (d) 10%
6. 6.In how many years will ₹9500 earn ₹950 simple interest at 5% per year? (a) 4 years (b) 2 years (c) 1 year (d) 3 years
7. 7.The simple interest on ₹8500 for 3 years is ₹765. What is the rate per year? (a) 4% (b) 2% (c) 9% (d) 3%
8. 8.What is the simple interest on ₹8000 at 11% per year for 4 years? (a) ₹880 (b) ₹4400 (c) ₹11520 (d) ₹3520
9. 9.What is the simple interest on ₹1000 at 5% per year for 5 years? (a) ₹300 (b) ₹1250 (c) ₹50 (d) ₹250
10. 10.What is the simple interest on ₹9500 at 7% per year for 5 years? (a) ₹665 (b) ₹3990 (c) ₹12825 (d) ₹3325
11. 11.In how many years will ₹3500 earn ₹700 simple interest at 5% per year? (a) 4 years (b) 3 years (c) 5 years (d) 8 years
12. 12.In how many years will ₹3000 earn ₹600 simple interest at 4% per year? (a) 4 years (b) 10 years (c) 6 years (d) 5 years
13. 13.In how many years will ₹2000 earn ₹160 simple interest at 4% per year? (a) 1 year (b) 2 years (c) 3 years (d) 4 years
14. 14.In how many years will ₹4000 earn ₹480 simple interest at 4% per year? (a) 6 years (b) 2 years (c) 4 years (d) 3 years
15. 15.₹6000 is invested at 6% per year simple interest. What is the amount after 4 years? (a) ₹6360 (b) ₹7440 (c) ₹7800 (d) ₹1440
16. 16.₹3000 is invested at 5% per year simple interest. What is the amount after 3 years? (a) ₹3600 (b) ₹3450 (c) ₹450 (d) ₹3150
17. 17.In how many years will ₹1000 earn ₹90 simple interest at 3% per year? (a) 2 years (b) 4 years (c) 6 years (d) 3 years
18. 18.What is the simple interest on ₹10000 at 3% per year for 4 years? (a) ₹1500 (b) ₹300 (c) ₹1200 (d) ₹11200
19. 19.₹1500 is invested at 4% per year simple interest. What is the amount after 5 years? (a) ₹300 (b) ₹1560 (c) ₹1860 (d) ₹1800
20. 20.In how many years will ₹4000 earn ₹880 simple interest at 11% per year? (a) 3 years (b) 1 year (c) 2 years (d) 4 years
21. 21.The simple interest on ₹5500 for 5 years is ₹825. What is the rate per year? (a) 4% (b) 2% (c) 15% (d) 3%
22. 22.₹6000 is invested at 9% per year simple interest. What is the amount after 5 years? (a) ₹9240 (b) ₹2700 (c) ₹6540 (d) ₹8700
23. 23.What is the simple interest on ₹6000 at 11% per year for 5 years? (a) ₹3960 (b) ₹660 (c) ₹9300 (d) ₹3300
24. 24.In how many years will ₹3000 earn ₹300 simple interest at 2% per year? (a) 6 years (b) 10 years (c) 5 years (d) 4 years
25. 25.The simple interest on ₹2000 for 5 years is ₹500. What is the rate per year? (a) 5% (b) 4% (c) 6% (d) 25%
26. 26.In how many years will ₹5000 earn ₹1100 simple interest at 11% per year? (a) 1 year (b) 3 years (c) 2 years (d) 4 years
27. 27.In how many years will ₹7500 earn ₹2700 simple interest at 12% per year? (a) 3 years (b) 4 years (c) 2 years (d) 6 years
28. 28.The simple interest on ₹5500 for 2 years is ₹1320. What is the rate per year? (a) 12% (b) 11% (c) 13% (d) 24%
29. 29.The simple interest on ₹1500 for 5 years is ₹150. What is the rate per year? (a) 3% (b) 1% (c) 10% (d) 2%
30. 30.The simple interest on ₹2000 for 2 years is ₹400. What is the rate per year? (a) 20% (b) 9% (c) 11% (d) 10%
31. 31.₹10000 is invested at 3% per year simple interest. What is the amount after 3 years? (a) ₹10300 (b) ₹900 (c) ₹11200 (d) ₹10900
32. 32.What is the simple interest on ₹3500 at 8% per year for 2 years? (a) ₹840 (b) ₹4060 (c) ₹560 (d) ₹280
33. 33.In how many years will ₹1000 earn ₹450 simple interest at 9% per year? (a) 4 years (b) 6 years (c) 5 years (d) 10 years
34. 34.In how many years will ₹7500 earn ₹675 simple interest at 3% per year? (a) 3 years (b) 4 years (c) 6 years (d) 2 years
35. 35.The simple interest on ₹3000 for 3 years is ₹360. What is the rate per year? (a) 5% (b) 12% (c) 3% (d) 4%
36. 36.The simple interest on ₹4500 for 4 years is ₹540. What is the rate per year? (a) 12% (b) 2% (c) 3% (d) 4%
37. 37.The simple interest on ₹4000 for 5 years is ₹1400. What is the rate per year? (a) 8% (b) 35% (c) 6% (d) 7%
38. 38.The simple interest on ₹6000 for 3 years is ₹1080. What is the rate per year? (a) 5% (b) 6% (c) 18% (d) 7%
39. 39.₹4000 is invested at 5% per year simple interest. What is the amount after 5 years? (a) ₹1000 (b) ₹5000 (c) ₹4200 (d) ₹5200
40. 40.What is the simple interest on ₹9500 at 9% per year for 4 years? (a) ₹12920 (b) ₹855 (c) ₹4275 (d) ₹3420

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