Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 583 · 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 ₹3500 for 2 years is ₹420. What is the rate per year? (a) 5% (b) 6% (c) 7% (d) 12%
2. 2.What is the simple interest on ₹3500 at 5% per year for 3 years? (a) ₹4025 (b) ₹525 (c) ₹175 (d) ₹700
3. 3.The simple interest on ₹7000 for 3 years is ₹630. What is the rate per year? (a) 3% (b) 4% (c) 2% (d) 9%
4. 4.₹3000 is invested at 10% per year simple interest. What is the amount after 3 years? (a) ₹3300 (b) ₹900 (c) ₹4200 (d) ₹3900
5. 5.₹1000 is invested at 5% per year simple interest. What is the amount after 4 years? (a) ₹200 (b) ₹1050 (c) ₹1200 (d) ₹1250
6. 6.In how many years will ₹2500 earn ₹500 simple interest at 10% per year? (a) 1 year (b) 3 years (c) 2 years (d) 4 years
7. 7.₹1000 is invested at 6% per year simple interest. What is the amount after 5 years? (a) ₹1060 (b) ₹1300 (c) ₹1360 (d) ₹300
8. 8.What is the simple interest on ₹8000 at 12% per year for 4 years? (a) ₹960 (b) ₹11840 (c) ₹4800 (d) ₹3840
9. 9.₹3000 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹3090 (b) ₹3180 (c) ₹180 (d) ₹3270
10. 10.What is the simple interest on ₹6000 at 5% per year for 3 years? (a) ₹900 (b) ₹1200 (c) ₹300 (d) ₹6900
11. 11.What is the simple interest on ₹5500 at 5% per year for 5 years? (a) ₹1375 (b) ₹275 (c) ₹1650 (d) ₹6875
12. 12.What is the simple interest on ₹1000 at 5% per year for 4 years? (a) ₹200 (b) ₹1200 (c) ₹250 (d) ₹50
13. 13.In how many years will ₹7500 earn ₹2100 simple interest at 7% per year? (a) 5 years (b) 3 years (c) 4 years (d) 8 years
14. 14.₹6000 is invested at 8% per year simple interest. What is the amount after 2 years? (a) ₹7440 (b) ₹6960 (c) ₹6480 (d) ₹960
15. 15.What is the simple interest on ₹8000 at 3% per year for 3 years? (a) ₹8720 (b) ₹720 (c) ₹960 (d) ₹240
16. 16.What is the simple interest on ₹3500 at 8% per year for 5 years? (a) ₹1400 (b) ₹280 (c) ₹4900 (d) ₹1680
17. 17.The simple interest on ₹8000 for 2 years is ₹480. What is the rate per year? (a) 6% (b) 3% (c) 4% (d) 2%
18. 18.What is the simple interest on ₹2500 at 8% per year for 5 years? (a) ₹1000 (b) ₹1200 (c) ₹200 (d) ₹3500
19. 19.What is the simple interest on ₹5000 at 2% per year for 2 years? (a) ₹300 (b) ₹5200 (c) ₹100 (d) ₹200
20. 20.What is the simple interest on ₹9500 at 11% per year for 2 years? (a) ₹11590 (b) ₹1045 (c) ₹3135 (d) ₹2090
21. 21.What is the simple interest on ₹1500 at 10% per year for 2 years? (a) ₹300 (b) ₹150 (c) ₹1800 (d) ₹450
22. 22.₹9500 is invested at 9% per year simple interest. What is the amount after 4 years? (a) ₹12920 (b) ₹3420 (c) ₹13775 (d) ₹10355
23. 23.What is the simple interest on ₹8500 at 5% per year for 2 years? (a) ₹1275 (b) ₹425 (c) ₹850 (d) ₹9350
24. 24.In how many years will ₹1500 earn ₹150 simple interest at 2% per year? (a) 4 years (b) 10 years (c) 5 years (d) 6 years
25. 25.What is the simple interest on ₹8500 at 6% per year for 4 years? (a) ₹10540 (b) ₹2040 (c) ₹510 (d) ₹2550
26. 26.In how many years will ₹3000 earn ₹180 simple interest at 3% per year? (a) 1 year (b) 2 years (c) 3 years (d) 4 years
27. 27.₹2500 is invested at 6% per year simple interest. What is the amount after 4 years? (a) ₹2650 (b) ₹3250 (c) ₹3100 (d) ₹600
28. 28.The simple interest on ₹6500 for 5 years is ₹1950. What is the rate per year? (a) 7% (b) 6% (c) 30% (d) 5%
29. 29.What is the simple interest on ₹1000 at 12% per year for 2 years? (a) ₹240 (b) ₹360 (c) ₹120 (d) ₹1240
30. 30.In how many years will ₹2000 earn ₹400 simple interest at 10% per year? (a) 4 years (b) 3 years (c) 1 year (d) 2 years
31. 31.₹4500 is invested at 12% per year simple interest. What is the amount after 5 years? (a) ₹5040 (b) ₹7200 (c) ₹7740 (d) ₹2700
32. 32.The simple interest on ₹6000 for 2 years is ₹1200. What is the rate per year? (a) 10% (b) 9% (c) 20% (d) 11%
33. 33.The simple interest on ₹1500 for 5 years is ₹750. What is the rate per year? (a) 9% (b) 10% (c) 11% (d) 50%
34. 34.What is the simple interest on ₹10000 at 2% per year for 5 years? (a) ₹11000 (b) ₹200 (c) ₹1000 (d) ₹1200
35. 35.What is the simple interest on ₹2500 at 11% per year for 4 years? (a) ₹1375 (b) ₹275 (c) ₹3600 (d) ₹1100
36. 36.The simple interest on ₹5000 for 5 years is ₹750. What is the rate per year? (a) 2% (b) 4% (c) 3% (d) 15%
37. 37.The simple interest on ₹4500 for 2 years is ₹270. What is the rate per year? (a) 3% (b) 4% (c) 6% (d) 2%
38. 38.The simple interest on ₹2500 for 5 years is ₹625. What is the rate per year? (a) 25% (b) 5% (c) 6% (d) 4%
39. 39.The simple interest on ₹3000 for 3 years is ₹990. What is the rate per year? (a) 10% (b) 11% (c) 12% (d) 33%
40. 40.₹1500 is invested at 4% per year simple interest. What is the amount after 5 years? (a) ₹1860 (b) ₹1560 (c) ₹1800 (d) ₹300

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