Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 603 · 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.₹5500 is invested at 9% per year simple interest. What is the amount after 5 years? (a) ₹5995 (b) ₹2475 (c) ₹7975 (d) ₹8470
2. 2.The simple interest on ₹4000 for 2 years is ₹640. What is the rate per year? (a) 16% (b) 7% (c) 8% (d) 9%
3. 3.In how many years will ₹2500 earn ₹200 simple interest at 4% per year? (a) 4 years (b) 3 years (c) 1 year (d) 2 years
4. 4.₹8500 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹510 (b) ₹9010 (c) ₹8755 (d) ₹9265
5. 5.What is the simple interest on ₹7000 at 10% per year for 3 years? (a) ₹9100 (b) ₹2100 (c) ₹700 (d) ₹2800
6. 6.₹8500 is invested at 7% per year simple interest. What is the amount after 5 years? (a) ₹2975 (b) ₹12070 (c) ₹9095 (d) ₹11475
7. 7.The simple interest on ₹5000 for 4 years is ₹600. What is the rate per year? (a) 2% (b) 3% (c) 12% (d) 4%
8. 8.What is the simple interest on ₹4500 at 7% per year for 5 years? (a) ₹6075 (b) ₹1575 (c) ₹315 (d) ₹1890
9. 9.The simple interest on ₹5500 for 3 years is ₹495. What is the rate per year? (a) 9% (b) 3% (c) 2% (d) 4%
10. 10.₹3000 is invested at 12% per year simple interest. What is the amount after 4 years? (a) ₹4440 (b) ₹1440 (c) ₹4800 (d) ₹3360
11. 11.The simple interest on ₹1500 for 4 years is ₹600. What is the rate per year? (a) 11% (b) 10% (c) 40% (d) 9%
12. 12.In how many years will ₹4000 earn ₹1760 simple interest at 11% per year? (a) 3 years (b) 4 years (c) 8 years (d) 5 years
13. 13.In how many years will ₹9500 earn ₹3800 simple interest at 8% per year? (a) 6 years (b) 10 years (c) 5 years (d) 4 years
14. 14.₹7000 is invested at 3% per year simple interest. What is the amount after 4 years? (a) ₹7210 (b) ₹8050 (c) ₹7840 (d) ₹840
15. 15.The simple interest on ₹1000 for 4 years is ₹120. What is the rate per year? (a) 3% (b) 2% (c) 4% (d) 12%
16. 16.₹1000 is invested at 12% per year simple interest. What is the amount after 2 years? (a) ₹240 (b) ₹1120 (c) ₹1360 (d) ₹1240
17. 17.What is the simple interest on ₹3500 at 8% per year for 2 years? (a) ₹560 (b) ₹4060 (c) ₹280 (d) ₹840
18. 18.In how many years will ₹2000 earn ₹640 simple interest at 8% per year? (a) 8 years (b) 4 years (c) 5 years (d) 3 years
19. 19.In how many years will ₹6500 earn ₹1300 simple interest at 5% per year? (a) 4 years (b) 5 years (c) 8 years (d) 3 years
20. 20.₹6000 is invested at 7% per year simple interest. What is the amount after 2 years? (a) ₹840 (b) ₹6420 (c) ₹6840 (d) ₹7260
21. 21.What is the simple interest on ₹6500 at 3% per year for 2 years? (a) ₹390 (b) ₹195 (c) ₹6890 (d) ₹585
22. 22.What is the simple interest on ₹4500 at 9% per year for 3 years? (a) ₹1620 (b) ₹5715 (c) ₹1215 (d) ₹405
23. 23.The simple interest on ₹6000 for 2 years is ₹720. What is the rate per year? (a) 7% (b) 5% (c) 6% (d) 12%
24. 24.In how many years will ₹4500 earn ₹900 simple interest at 5% per year? (a) 5 years (b) 8 years (c) 3 years (d) 4 years
25. 25.In how many years will ₹9500 earn ₹2850 simple interest at 6% per year? (a) 10 years (b) 4 years (c) 5 years (d) 6 years
26. 26.₹1000 is invested at 4% per year simple interest. What is the amount after 4 years? (a) ₹1040 (b) ₹1200 (c) ₹1160 (d) ₹160
27. 27.₹3500 is invested at 6% per year simple interest. What is the amount after 2 years? (a) ₹420 (b) ₹4130 (c) ₹3920 (d) ₹3710
28. 28.The simple interest on ₹4000 for 2 years is ₹960. What is the rate per year? (a) 13% (b) 11% (c) 12% (d) 24%
29. 29.The simple interest on ₹2000 for 4 years is ₹960. What is the rate per year? (a) 48% (b) 13% (c) 11% (d) 12%
30. 30.₹3000 is invested at 8% per year simple interest. What is the amount after 4 years? (a) ₹3240 (b) ₹3960 (c) ₹4200 (d) ₹960
31. 31.₹9000 is invested at 10% per year simple interest. What is the amount after 2 years? (a) ₹9900 (b) ₹10800 (c) ₹11700 (d) ₹1800
32. 32.In how many years will ₹2500 earn ₹675 simple interest at 9% per year? (a) 2 years (b) 4 years (c) 6 years (d) 3 years
33. 33.The simple interest on ₹6000 for 3 years is ₹1620. What is the rate per year? (a) 8% (b) 9% (c) 10% (d) 27%
34. 34.₹1500 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹1530 (b) ₹1590 (c) ₹60 (d) ₹1560
35. 35.What is the simple interest on ₹2000 at 12% per year for 2 years? (a) ₹2480 (b) ₹480 (c) ₹240 (d) ₹720
36. 36.₹6000 is invested at 9% per year simple interest. What is the amount after 5 years? (a) ₹9240 (b) ₹8700 (c) ₹2700 (d) ₹6540
37. 37.In how many years will ₹2500 earn ₹250 simple interest at 5% per year? (a) 1 year (b) 4 years (c) 2 years (d) 3 years
38. 38.In how many years will ₹6500 earn ₹3900 simple interest at 12% per year? (a) 4 years (b) 10 years (c) 5 years (d) 6 years
39. 39.₹1500 is invested at 3% per year simple interest. What is the amount after 3 years? (a) ₹1635 (b) ₹135 (c) ₹1545 (d) ₹1680
40. 40.In how many years will ₹4500 earn ₹270 simple interest at 3% per year? (a) 3 years (b) 2 years (c) 1 year (d) 4 years

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