Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 866 · 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 ₹7500 at 2% per year for 2 years? (a) ₹7800 (b) ₹300 (c) ₹450 (d) ₹150
2. 2.The simple interest on ₹8000 for 2 years is ₹1920. What is the rate per year? (a) 11% (b) 13% (c) 24% (d) 12%
3. 3.The simple interest on ₹2500 for 5 years is ₹625. What is the rate per year? (a) 25% (b) 6% (c) 5% (d) 4%
4. 4.In how many years will ₹7000 earn ₹1120 simple interest at 8% per year? (a) 4 years (b) 3 years (c) 2 years (d) 1 year
5. 5.In how many years will ₹2000 earn ₹320 simple interest at 8% per year? (a) 1 year (b) 4 years (c) 2 years (d) 3 years
6. 6.In how many years will ₹7500 earn ₹450 simple interest at 2% per year? (a) 2 years (b) 3 years (c) 6 years (d) 4 years
7. 7.In how many years will ₹2000 earn ₹900 simple interest at 9% per year? (a) 10 years (b) 5 years (c) 4 years (d) 6 years
8. 8.In how many years will ₹1000 earn ₹60 simple interest at 2% per year? (a) 6 years (b) 2 years (c) 3 years (d) 4 years
9. 9.In how many years will ₹8000 earn ₹2160 simple interest at 9% per year? (a) 4 years (b) 6 years (c) 3 years (d) 2 years
10. 10.What is the simple interest on ₹8000 at 8% per year for 5 years? (a) ₹640 (b) ₹3840 (c) ₹3200 (d) ₹11200
11. 11.What is the simple interest on ₹8500 at 2% per year for 2 years? (a) ₹8840 (b) ₹340 (c) ₹170 (d) ₹510
12. 12.₹3000 is invested at 2% per year simple interest. What is the amount after 4 years? (a) ₹3240 (b) ₹240 (c) ₹3300 (d) ₹3060
13. 13.In how many years will ₹10000 earn ₹2000 simple interest at 4% per year? (a) 6 years (b) 5 years (c) 4 years (d) 10 years
14. 14.In how many years will ₹3500 earn ₹560 simple interest at 4% per year? (a) 4 years (b) 5 years (c) 3 years (d) 8 years
15. 15.The simple interest on ₹3000 for 5 years is ₹600. What is the rate per year? (a) 3% (b) 20% (c) 4% (d) 5%
16. 16.₹2500 is invested at 4% per year simple interest. What is the amount after 4 years? (a) ₹400 (b) ₹3000 (c) ₹2600 (d) ₹2900
17. 17.What is the simple interest on ₹4500 at 7% per year for 5 years? (a) ₹1575 (b) ₹315 (c) ₹1890 (d) ₹6075
18. 18.What is the simple interest on ₹5500 at 8% per year for 2 years? (a) ₹6380 (b) ₹440 (c) ₹880 (d) ₹1320
19. 19.₹7500 is invested at 8% per year simple interest. What is the amount after 3 years? (a) ₹1800 (b) ₹8100 (c) ₹9300 (d) ₹9900
20. 20.What is the simple interest on ₹6500 at 9% per year for 2 years? (a) ₹585 (b) ₹7670 (c) ₹1170 (d) ₹1755
21. 21.The simple interest on ₹6500 for 4 years is ₹2080. What is the rate per year? (a) 32% (b) 8% (c) 7% (d) 9%
22. 22.₹2000 is invested at 12% per year simple interest. What is the amount after 5 years? (a) ₹3200 (b) ₹3440 (c) ₹2240 (d) ₹1200
23. 23.₹8000 is invested at 7% per year simple interest. What is the amount after 3 years? (a) ₹1680 (b) ₹9680 (c) ₹10240 (d) ₹8560
24. 24.In how many years will ₹3000 earn ₹720 simple interest at 8% per year? (a) 4 years (b) 2 years (c) 6 years (d) 3 years
25. 25.₹4500 is invested at 10% per year simple interest. What is the amount after 2 years? (a) ₹5850 (b) ₹4950 (c) ₹5400 (d) ₹900
26. 26.In how many years will ₹5000 earn ₹2750 simple interest at 11% per year? (a) 10 years (b) 6 years (c) 5 years (d) 4 years
27. 27.In how many years will ₹1000 earn ₹440 simple interest at 11% per year? (a) 4 years (b) 8 years (c) 5 years (d) 3 years
28. 28.The simple interest on ₹4500 for 4 years is ₹360. What is the rate per year? (a) 8% (b) 3% (c) 2% (d) 1%
29. 29.What is the simple interest on ₹3500 at 3% per year for 2 years? (a) ₹210 (b) ₹315 (c) ₹3710 (d) ₹105
30. 30.The simple interest on ₹8500 for 2 years is ₹850. What is the rate per year? (a) 10% (b) 4% (c) 5% (d) 6%
31. 31.What is the simple interest on ₹9500 at 6% per year for 3 years? (a) ₹2280 (b) ₹570 (c) ₹11210 (d) ₹1710
32. 32.In how many years will ₹4000 earn ₹1600 simple interest at 10% per year? (a) 8 years (b) 4 years (c) 5 years (d) 3 years
33. 33.In how many years will ₹9500 earn ₹2090 simple interest at 11% per year? (a) 2 years (b) 4 years (c) 3 years (d) 1 year
34. 34.In how many years will ₹8500 earn ₹2550 simple interest at 6% per year? (a) 4 years (b) 10 years (c) 5 years (d) 6 years
35. 35.In how many years will ₹7500 earn ₹3300 simple interest at 11% per year? (a) 5 years (b) 4 years (c) 3 years (d) 8 years
36. 36.What is the simple interest on ₹2500 at 3% per year for 5 years? (a) ₹450 (b) ₹75 (c) ₹2875 (d) ₹375
37. 37.What is the simple interest on ₹1500 at 4% per year for 5 years? (a) ₹1800 (b) ₹60 (c) ₹360 (d) ₹300
38. 38.What is the simple interest on ₹6000 at 4% per year for 2 years? (a) ₹480 (b) ₹720 (c) ₹6480 (d) ₹240
39. 39.The simple interest on ₹8500 for 3 years is ₹510. What is the rate per year? (a) 3% (b) 1% (c) 2% (d) 6%
40. 40.In how many years will ₹4500 earn ₹1350 simple interest at 6% per year? (a) 4 years (b) 10 years (c) 5 years (d) 6 years

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