Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 633 · 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 ₹4500 at 8% per year for 3 years? (a) ₹1440 (b) ₹360 (c) ₹5580 (d) ₹1080
2. 2.What is the simple interest on ₹5000 at 5% per year for 4 years? (a) ₹1000 (b) ₹250 (c) ₹1250 (d) ₹6000
3. 3.In how many years will ₹7500 earn ₹450 simple interest at 2% per year? (a) 4 years (b) 2 years (c) 6 years (d) 3 years
4. 4.₹3500 is invested at 10% per year simple interest. What is the amount after 3 years? (a) ₹3850 (b) ₹4550 (c) ₹1050 (d) ₹4900
5. 5.₹5000 is invested at 2% per year simple interest. What is the amount after 3 years? (a) ₹5300 (b) ₹300 (c) ₹5400 (d) ₹5100
6. 6.₹5000 is invested at 11% per year simple interest. What is the amount after 4 years? (a) ₹5550 (b) ₹7200 (c) ₹2200 (d) ₹7750
7. 7.In how many years will ₹3500 earn ₹980 simple interest at 7% per year? (a) 4 years (b) 8 years (c) 5 years (d) 3 years
8. 8.The simple interest on ₹6500 for 2 years is ₹910. What is the rate per year? (a) 8% (b) 14% (c) 6% (d) 7%
9. 9.The simple interest on ₹1000 for 2 years is ₹140. What is the rate per year? (a) 14% (b) 6% (c) 7% (d) 8%
10. 10.The simple interest on ₹9000 for 2 years is ₹720. What is the rate per year? (a) 4% (b) 8% (c) 3% (d) 5%
11. 11.What is the simple interest on ₹4000 at 3% per year for 2 years? (a) ₹240 (b) ₹120 (c) ₹4240 (d) ₹360
12. 12.The simple interest on ₹2500 for 3 years is ₹675. What is the rate per year? (a) 8% (b) 10% (c) 9% (d) 27%
13. 13.In how many years will ₹8500 earn ₹3060 simple interest at 9% per year? (a) 4 years (b) 3 years (c) 8 years (d) 5 years
14. 14.What is the simple interest on ₹10000 at 10% per year for 4 years? (a) ₹5000 (b) ₹1000 (c) ₹4000 (d) ₹14000
15. 15.In how many years will ₹7500 earn ₹900 simple interest at 4% per year? (a) 3 years (b) 6 years (c) 4 years (d) 2 years
16. 16.In how many years will ₹3500 earn ₹1260 simple interest at 12% per year? (a) 3 years (b) 2 years (c) 4 years (d) 6 years
17. 17.₹5000 is invested at 12% per year simple interest. What is the amount after 2 years? (a) ₹6200 (b) ₹6800 (c) ₹1200 (d) ₹5600
18. 18.What is the simple interest on ₹8500 at 9% per year for 4 years? (a) ₹765 (b) ₹11560 (c) ₹3060 (d) ₹3825
19. 19.In how many years will ₹1000 earn ₹60 simple interest at 3% per year? (a) 1 year (b) 3 years (c) 4 years (d) 2 years
20. 20.In how many years will ₹4000 earn ₹1200 simple interest at 6% per year? (a) 10 years (b) 4 years (c) 6 years (d) 5 years
21. 21.The simple interest on ₹2500 for 5 years is ₹375. What is the rate per year? (a) 15% (b) 4% (c) 2% (d) 3%
22. 22.In how many years will ₹7500 earn ₹1800 simple interest at 8% per year? (a) 4 years (b) 3 years (c) 2 years (d) 6 years
23. 23.In how many years will ₹5500 earn ₹1100 simple interest at 5% per year? (a) 3 years (b) 5 years (c) 4 years (d) 8 years
24. 24.The simple interest on ₹4000 for 2 years is ₹320. What is the rate per year? (a) 5% (b) 8% (c) 3% (d) 4%
25. 25.What is the simple interest on ₹6000 at 7% per year for 3 years? (a) ₹7260 (b) ₹420 (c) ₹1260 (d) ₹1680
26. 26.The simple interest on ₹1000 for 5 years is ₹400. What is the rate per year? (a) 7% (b) 9% (c) 8% (d) 40%
27. 27.What is the simple interest on ₹5500 at 8% per year for 5 years? (a) ₹440 (b) ₹7700 (c) ₹2640 (d) ₹2200
28. 28.What is the simple interest on ₹3000 at 11% per year for 4 years? (a) ₹1650 (b) ₹4320 (c) ₹330 (d) ₹1320
29. 29.₹6500 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹520 (b) ₹7020 (c) ₹6760 (d) ₹7280
30. 30.What is the simple interest on ₹8500 at 8% per year for 3 years? (a) ₹680 (b) ₹2720 (c) ₹2040 (d) ₹10540
31. 31.₹2000 is invested at 8% per year simple interest. What is the amount after 4 years? (a) ₹640 (b) ₹2640 (c) ₹2160 (d) ₹2800
32. 32.₹5500 is invested at 4% per year simple interest. What is the amount after 4 years? (a) ₹880 (b) ₹6600 (c) ₹6380 (d) ₹5720
33. 33.What is the simple interest on ₹4500 at 8% per year for 4 years? (a) ₹1440 (b) ₹5940 (c) ₹1800 (d) ₹360
34. 34.In how many years will ₹3500 earn ₹840 simple interest at 8% per year? (a) 3 years (b) 2 years (c) 6 years (d) 4 years
35. 35.₹3000 is invested at 3% per year simple interest. What is the amount after 3 years? (a) ₹3090 (b) ₹3360 (c) ₹270 (d) ₹3270
36. 36.In how many years will ₹6500 earn ₹975 simple interest at 5% per year? (a) 4 years (b) 6 years (c) 2 years (d) 3 years
37. 37.₹7500 is invested at 8% per year simple interest. What is the amount after 2 years? (a) ₹8100 (b) ₹1200 (c) ₹9300 (d) ₹8700
38. 38.₹1000 is invested at 11% per year simple interest. What is the amount after 5 years? (a) ₹550 (b) ₹1550 (c) ₹1110 (d) ₹1660
39. 39.₹3000 is invested at 8% per year simple interest. What is the amount after 2 years? (a) ₹3480 (b) ₹480 (c) ₹3240 (d) ₹3720
40. 40.₹6500 is invested at 5% per year simple interest. What is the amount after 4 years? (a) ₹6825 (b) ₹8125 (c) ₹1300 (d) ₹7800

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