Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 937 · 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 ₹4500 for 4 years is ₹720. What is the rate per year? (a) 4% (b) 16% (c) 5% (d) 3%
2. 2.What is the simple interest on ₹1000 at 7% per year for 2 years? (a) ₹210 (b) ₹140 (c) ₹70 (d) ₹1140
3. 3.In how many years will ₹3500 earn ₹700 simple interest at 10% per year? (a) 2 years (b) 4 years (c) 1 year (d) 3 years
4. 4.The simple interest on ₹3500 for 4 years is ₹840. What is the rate per year? (a) 6% (b) 24% (c) 7% (d) 5%
5. 5.What is the simple interest on ₹6500 at 9% per year for 2 years? (a) ₹7670 (b) ₹1755 (c) ₹585 (d) ₹1170
6. 6.The simple interest on ₹1000 for 2 years is ₹160. What is the rate per year? (a) 16% (b) 9% (c) 7% (d) 8%
7. 7.₹6000 is invested at 4% per year simple interest. What is the amount after 4 years? (a) ₹960 (b) ₹6240 (c) ₹6960 (d) ₹7200
8. 8.₹4500 is invested at 7% per year simple interest. What is the amount after 5 years? (a) ₹4815 (b) ₹6390 (c) ₹6075 (d) ₹1575
9. 9.What is the simple interest on ₹7000 at 8% per year for 5 years? (a) ₹3360 (b) ₹9800 (c) ₹560 (d) ₹2800
10. 10.The simple interest on ₹8500 for 5 years is ₹3825. What is the rate per year? (a) 8% (b) 10% (c) 45% (d) 9%
11. 11.The simple interest on ₹5000 for 2 years is ₹700. What is the rate per year? (a) 8% (b) 14% (c) 6% (d) 7%
12. 12.What is the simple interest on ₹2000 at 6% per year for 2 years? (a) ₹2240 (b) ₹120 (c) ₹360 (d) ₹240
13. 13.What is the simple interest on ₹3500 at 8% per year for 4 years? (a) ₹1120 (b) ₹4620 (c) ₹1400 (d) ₹280
14. 14.₹10000 is invested at 6% per year simple interest. What is the amount after 4 years? (a) ₹10600 (b) ₹12400 (c) ₹2400 (d) ₹13000
15. 15.What is the simple interest on ₹3000 at 2% per year for 4 years? (a) ₹60 (b) ₹3240 (c) ₹300 (d) ₹240
16. 16.In how many years will ₹1500 earn ₹270 simple interest at 6% per year? (a) 2 years (b) 4 years (c) 3 years (d) 6 years
17. 17.What is the simple interest on ₹9500 at 2% per year for 2 years? (a) ₹570 (b) ₹190 (c) ₹9880 (d) ₹380
18. 18.In how many years will ₹1500 earn ₹180 simple interest at 4% per year? (a) 3 years (b) 4 years (c) 2 years (d) 6 years
19. 19.₹5000 is invested at 8% per year simple interest. What is the amount after 4 years? (a) ₹1600 (b) ₹5400 (c) ₹6600 (d) ₹7000
20. 20.The simple interest on ₹3000 for 3 years is ₹630. What is the rate per year? (a) 6% (b) 21% (c) 7% (d) 8%
21. 21.In how many years will ₹10000 earn ₹3600 simple interest at 12% per year? (a) 6 years (b) 4 years (c) 3 years (d) 2 years
22. 22.In how many years will ₹3500 earn ₹1155 simple interest at 11% per year? (a) 4 years (b) 3 years (c) 2 years (d) 6 years
23. 23.What is the simple interest on ₹4500 at 2% per year for 5 years? (a) ₹4950 (b) ₹90 (c) ₹450 (d) ₹540
24. 24.In how many years will ₹6000 earn ₹2400 simple interest at 10% per year? (a) 4 years (b) 3 years (c) 8 years (d) 5 years
25. 25.The simple interest on ₹2000 for 2 years is ₹480. What is the rate per year? (a) 11% (b) 13% (c) 24% (d) 12%
26. 26.In how many years will ₹8500 earn ₹2040 simple interest at 8% per year? (a) 3 years (b) 6 years (c) 2 years (d) 4 years
27. 27.In how many years will ₹8500 earn ₹850 simple interest at 2% per year? (a) 10 years (b) 5 years (c) 4 years (d) 6 years
28. 28.The simple interest on ₹7000 for 4 years is ₹560. What is the rate per year? (a) 8% (b) 2% (c) 3% (d) 1%
29. 29.₹3500 is invested at 3% per year simple interest. What is the amount after 5 years? (a) ₹4025 (b) ₹525 (c) ₹4130 (d) ₹3605
30. 30.What is the simple interest on ₹2000 at 3% per year for 4 years? (a) ₹2240 (b) ₹300 (c) ₹60 (d) ₹240
31. 31.What is the simple interest on ₹5000 at 7% per year for 2 years? (a) ₹350 (b) ₹1050 (c) ₹5700 (d) ₹700
32. 32.The simple interest on ₹7500 for 5 years is ₹3000. What is the rate per year? (a) 7% (b) 40% (c) 8% (d) 9%
33. 33.₹1000 is invested at 4% per year simple interest. What is the amount after 5 years? (a) ₹1040 (b) ₹1240 (c) ₹200 (d) ₹1200
34. 34.₹9000 is invested at 5% per year simple interest. What is the amount after 3 years? (a) ₹9450 (b) ₹10800 (c) ₹1350 (d) ₹10350
35. 35.The simple interest on ₹1000 for 5 years is ₹450. What is the rate per year? (a) 45% (b) 8% (c) 10% (d) 9%
36. 36.What is the simple interest on ₹7500 at 4% per year for 5 years? (a) ₹1500 (b) ₹1800 (c) ₹9000 (d) ₹300
37. 37.In how many years will ₹2500 earn ₹450 simple interest at 6% per year? (a) 3 years (b) 2 years (c) 6 years (d) 4 years
38. 38.In how many years will ₹3500 earn ₹140 simple interest at 2% per year? (a) 3 years (b) 2 years (c) 4 years (d) 1 year
39. 39.What is the simple interest on ₹2500 at 2% per year for 2 years? (a) ₹150 (b) ₹100 (c) ₹2600 (d) ₹50
40. 40.The simple interest on ₹9500 for 2 years is ₹2280. What is the rate per year? (a) 13% (b) 11% (c) 12% (d) 24%

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