Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 674 · 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 ₹9000 at 11% per year for 5 years? (a) ₹13950 (b) ₹4950 (c) ₹5940 (d) ₹990
2. 2.₹8000 is invested at 10% per year simple interest. What is the amount after 5 years? (a) ₹12000 (b) ₹4000 (c) ₹12800 (d) ₹8800
3. 3.₹3000 is invested at 7% per year simple interest. What is the amount after 3 years? (a) ₹3840 (b) ₹3630 (c) ₹630 (d) ₹3210
4. 4.In how many years will ₹9000 earn ₹720 simple interest at 2% per year? (a) 4 years (b) 5 years (c) 8 years (d) 3 years
5. 5.In how many years will ₹6000 earn ₹480 simple interest at 2% per year? (a) 5 years (b) 8 years (c) 4 years (d) 3 years
6. 6.What is the simple interest on ₹8000 at 2% per year for 5 years? (a) ₹8800 (b) ₹160 (c) ₹960 (d) ₹800
7. 7.What is the simple interest on ₹4000 at 8% per year for 3 years? (a) ₹960 (b) ₹1280 (c) ₹4960 (d) ₹320
8. 8.The simple interest on ₹2500 for 4 years is ₹200. What is the rate per year? (a) 1% (b) 8% (c) 2% (d) 3%
9. 9.What is the simple interest on ₹2500 at 6% per year for 4 years? (a) ₹750 (b) ₹150 (c) ₹3100 (d) ₹600
10. 10.What is the simple interest on ₹3000 at 2% per year for 4 years? (a) ₹60 (b) ₹240 (c) ₹3240 (d) ₹300
11. 11.₹4500 is invested at 11% per year simple interest. What is the amount after 4 years? (a) ₹4995 (b) ₹6975 (c) ₹6480 (d) ₹1980
12. 12.₹1500 is invested at 2% per year simple interest. What is the amount after 3 years? (a) ₹90 (b) ₹1530 (c) ₹1620 (d) ₹1590
13. 13.In how many years will ₹3000 earn ₹360 simple interest at 3% per year? (a) 3 years (b) 5 years (c) 8 years (d) 4 years
14. 14.What is the simple interest on ₹6000 at 7% per year for 5 years? (a) ₹2520 (b) ₹8100 (c) ₹2100 (d) ₹420
15. 15.What is the simple interest on ₹2000 at 6% per year for 5 years? (a) ₹120 (b) ₹720 (c) ₹2600 (d) ₹600
16. 16.₹8500 is invested at 10% per year simple interest. What is the amount after 3 years? (a) ₹2550 (b) ₹11900 (c) ₹11050 (d) ₹9350
17. 17.In how many years will ₹9000 earn ₹1440 simple interest at 4% per year? (a) 8 years (b) 3 years (c) 4 years (d) 5 years
18. 18.The simple interest on ₹8000 for 2 years is ₹1920. What is the rate per year? (a) 24% (b) 13% (c) 11% (d) 12%
19. 19.₹3000 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹3180 (b) ₹3120 (c) ₹3060 (d) ₹120
20. 20.₹8500 is invested at 2% per year simple interest. What is the amount after 5 years? (a) ₹850 (b) ₹8670 (c) ₹9520 (d) ₹9350
21. 21.In how many years will ₹7500 earn ₹1200 simple interest at 8% per year? (a) 4 years (b) 3 years (c) 1 year (d) 2 years
22. 22.₹7500 is invested at 9% per year simple interest. What is the amount after 4 years? (a) ₹10875 (b) ₹8175 (c) ₹10200 (d) ₹2700
23. 23.In how many years will ₹6000 earn ₹3000 simple interest at 10% per year? (a) 5 years (b) 10 years (c) 4 years (d) 6 years
24. 24.₹7000 is invested at 5% per year simple interest. What is the amount after 4 years? (a) ₹7350 (b) ₹1400 (c) ₹8400 (d) ₹8750
25. 25.In how many years will ₹7000 earn ₹1400 simple interest at 10% per year? (a) 3 years (b) 4 years (c) 1 year (d) 2 years
26. 26.What is the simple interest on ₹3000 at 7% per year for 4 years? (a) ₹3840 (b) ₹840 (c) ₹210 (d) ₹1050
27. 27.In how many years will ₹1500 earn ₹540 simple interest at 12% per year? (a) 4 years (b) 3 years (c) 6 years (d) 2 years
28. 28.₹1000 is invested at 10% per year simple interest. What is the amount after 2 years? (a) ₹1200 (b) ₹1300 (c) ₹200 (d) ₹1100
29. 29.In how many years will ₹10000 earn ₹1400 simple interest at 7% per year? (a) 3 years (b) 4 years (c) 2 years (d) 1 year
30. 30.₹1000 is invested at 8% per year simple interest. What is the amount after 5 years? (a) ₹1480 (b) ₹1400 (c) ₹1080 (d) ₹400
31. 31.The simple interest on ₹4500 for 4 years is ₹540. What is the rate per year? (a) 4% (b) 3% (c) 2% (d) 12%
32. 32.What is the simple interest on ₹6000 at 11% per year for 4 years? (a) ₹8640 (b) ₹660 (c) ₹2640 (d) ₹3300
33. 33.In how many years will ₹7000 earn ₹3080 simple interest at 11% per year? (a) 5 years (b) 3 years (c) 4 years (d) 8 years
34. 34.₹10000 is invested at 8% per year simple interest. What is the amount after 4 years? (a) ₹10800 (b) ₹13200 (c) ₹14000 (d) ₹3200
35. 35.₹2500 is invested at 5% per year simple interest. What is the amount after 4 years? (a) ₹3000 (b) ₹2625 (c) ₹3125 (d) ₹500
36. 36.₹2000 is invested at 7% per year simple interest. What is the amount after 3 years? (a) ₹420 (b) ₹2420 (c) ₹2140 (d) ₹2560
37. 37.In how many years will ₹4500 earn ₹540 simple interest at 3% per year? (a) 4 years (b) 3 years (c) 5 years (d) 8 years
38. 38.What is the simple interest on ₹6500 at 9% per year for 2 years? (a) ₹1170 (b) ₹585 (c) ₹7670 (d) ₹1755
39. 39.In how many years will ₹7000 earn ₹1120 simple interest at 4% per year? (a) 3 years (b) 8 years (c) 4 years (d) 5 years
40. 40.₹1500 is invested at 2% per year simple interest. What is the amount after 5 years? (a) ₹1650 (b) ₹150 (c) ₹1530 (d) ₹1680

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