Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 502 · 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.The simple interest on ₹5500 for 2 years is ₹440. What is the rate per year? (a) 8% (b) 5% (c) 3% (d) 4%
2. 2.₹1000 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹80 (b) ₹1120 (c) ₹1040 (d) ₹1080
3. 3.The simple interest on ₹6000 for 4 years is ₹2880. What is the rate per year? (a) 12% (b) 13% (c) 11% (d) 48%
4. 4.What is the simple interest on ₹10000 at 8% per year for 3 years? (a) ₹3200 (b) ₹2400 (c) ₹800 (d) ₹12400
5. 5.₹9500 is invested at 5% per year simple interest. What is the amount after 2 years? (a) ₹10925 (b) ₹10450 (c) ₹9975 (d) ₹950
6. 6.What is the simple interest on ₹9000 at 6% per year for 3 years? (a) ₹2160 (b) ₹540 (c) ₹1620 (d) ₹10620
7. 7.The simple interest on ₹7500 for 4 years is ₹1200. What is the rate per year? (a) 16% (b) 3% (c) 4% (d) 5%
8. 8.What is the simple interest on ₹1000 at 2% per year for 4 years? (a) ₹1080 (b) ₹100 (c) ₹80 (d) ₹20
9. 9.In how many years will ₹9500 earn ₹570 simple interest at 3% per year? (a) 3 years (b) 2 years (c) 4 years (d) 1 year
10. 10.₹4500 is invested at 6% per year simple interest. What is the amount after 5 years? (a) ₹1350 (b) ₹4770 (c) ₹6120 (d) ₹5850
11. 11.What is the simple interest on ₹9000 at 10% per year for 2 years? (a) ₹2700 (b) ₹900 (c) ₹1800 (d) ₹10800
12. 12.₹1500 is invested at 2% per year simple interest. What is the amount after 3 years? (a) ₹90 (b) ₹1620 (c) ₹1590 (d) ₹1530
13. 13.The simple interest on ₹8000 for 3 years is ₹2880. What is the rate per year? (a) 11% (b) 13% (c) 12% (d) 36%
14. 14.₹6000 is invested at 8% per year simple interest. What is the amount after 3 years? (a) ₹7920 (b) ₹1440 (c) ₹6480 (d) ₹7440
15. 15.₹7500 is invested at 2% per year simple interest. What is the amount after 4 years? (a) ₹7650 (b) ₹8100 (c) ₹8250 (d) ₹600
16. 16.In how many years will ₹9000 earn ₹720 simple interest at 2% per year? (a) 5 years (b) 3 years (c) 8 years (d) 4 years
17. 17.In how many years will ₹8000 earn ₹800 simple interest at 5% per year? (a) 3 years (b) 4 years (c) 1 year (d) 2 years
18. 18.The simple interest on ₹10000 for 2 years is ₹1400. What is the rate per year? (a) 6% (b) 8% (c) 7% (d) 14%
19. 19.In how many years will ₹6500 earn ₹1170 simple interest at 6% per year? (a) 2 years (b) 4 years (c) 6 years (d) 3 years
20. 20.What is the simple interest on ₹4000 at 12% per year for 2 years? (a) ₹1440 (b) ₹480 (c) ₹960 (d) ₹4960
21. 21.In how many years will ₹7000 earn ₹840 simple interest at 3% per year? (a) 3 years (b) 8 years (c) 4 years (d) 5 years
22. 22.₹4500 is invested at 6% per year simple interest. What is the amount after 2 years? (a) ₹4770 (b) ₹5040 (c) ₹540 (d) ₹5310
23. 23.The simple interest on ₹8500 for 4 years is ₹2040. What is the rate per year? (a) 24% (b) 7% (c) 6% (d) 5%
24. 24.The simple interest on ₹9000 for 4 years is ₹720. What is the rate per year? (a) 3% (b) 8% (c) 1% (d) 2%
25. 25.In how many years will ₹3000 earn ₹630 simple interest at 7% per year? (a) 4 years (b) 6 years (c) 2 years (d) 3 years
26. 26.What is the simple interest on ₹2000 at 6% per year for 5 years? (a) ₹600 (b) ₹120 (c) ₹2600 (d) ₹720
27. 27.In how many years will ₹7500 earn ₹1125 simple interest at 3% per year? (a) 4 years (b) 10 years (c) 6 years (d) 5 years
28. 28.₹5500 is invested at 10% per year simple interest. What is the amount after 5 years? (a) ₹6050 (b) ₹8250 (c) ₹2750 (d) ₹8800
29. 29.₹1000 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹1040 (b) ₹40 (c) ₹1060 (d) ₹1020
30. 30.What is the simple interest on ₹1000 at 12% per year for 4 years? (a) ₹120 (b) ₹600 (c) ₹480 (d) ₹1480
31. 31.The simple interest on ₹6500 for 4 years is ₹2600. What is the rate per year? (a) 11% (b) 40% (c) 9% (d) 10%
32. 32.What is the simple interest on ₹1500 at 2% per year for 3 years? (a) ₹120 (b) ₹1590 (c) ₹30 (d) ₹90
33. 33.₹5500 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹5995 (b) ₹330 (c) ₹5665 (d) ₹5830
34. 34.In how many years will ₹3000 earn ₹900 simple interest at 6% per year? (a) 6 years (b) 4 years (c) 5 years (d) 10 years
35. 35.What is the simple interest on ₹10000 at 10% per year for 3 years? (a) ₹1000 (b) ₹3000 (c) ₹13000 (d) ₹4000
36. 36.The simple interest on ₹6000 for 3 years is ₹1620. What is the rate per year? (a) 10% (b) 9% (c) 8% (d) 27%
37. 37.₹3000 is invested at 12% per year simple interest. What is the amount after 4 years? (a) ₹4800 (b) ₹1440 (c) ₹3360 (d) ₹4440
38. 38.₹4000 is invested at 5% per year simple interest. What is the amount after 3 years? (a) ₹4800 (b) ₹4600 (c) ₹600 (d) ₹4200
39. 39.In how many years will ₹6500 earn ₹1625 simple interest at 5% per year? (a) 4 years (b) 10 years (c) 5 years (d) 6 years
40. 40.In how many years will ₹1000 earn ₹300 simple interest at 10% per year? (a) 4 years (b) 6 years (c) 2 years (d) 3 years

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