Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 242 · 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.In how many years will ₹9500 earn ₹1710 simple interest at 9% per year? (a) 4 years (b) 3 years (c) 2 years (d) 1 year
2. 2.In how many years will ₹7500 earn ₹900 simple interest at 6% per year? (a) 3 years (b) 1 year (c) 2 years (d) 4 years
3. 3.₹1000 is invested at 5% per year simple interest. What is the amount after 5 years? (a) ₹1250 (b) ₹1050 (c) ₹250 (d) ₹1300
4. 4.What is the simple interest on ₹4500 at 3% per year for 5 years? (a) ₹810 (b) ₹135 (c) ₹5175 (d) ₹675
5. 5.The simple interest on ₹3500 for 4 years is ₹560. What is the rate per year? (a) 5% (b) 3% (c) 4% (d) 16%
6. 6.What is the simple interest on ₹5500 at 6% per year for 4 years? (a) ₹1650 (b) ₹6820 (c) ₹330 (d) ₹1320
7. 7.What is the simple interest on ₹3000 at 7% per year for 2 years? (a) ₹630 (b) ₹420 (c) ₹210 (d) ₹3420
8. 8.In how many years will ₹7500 earn ₹2100 simple interest at 7% per year? (a) 3 years (b) 8 years (c) 5 years (d) 4 years
9. 9.₹2000 is invested at 3% per year simple interest. What is the amount after 4 years? (a) ₹2240 (b) ₹240 (c) ₹2060 (d) ₹2300
10. 10.What is the simple interest on ₹6500 at 3% per year for 5 years? (a) ₹975 (b) ₹1170 (c) ₹195 (d) ₹7475
11. 11.What is the simple interest on ₹6000 at 2% per year for 4 years? (a) ₹600 (b) ₹6480 (c) ₹120 (d) ₹480
12. 12.The simple interest on ₹3000 for 4 years is ₹1440. What is the rate per year? (a) 11% (b) 13% (c) 48% (d) 12%
13. 13.₹9000 is invested at 7% per year simple interest. What is the amount after 2 years? (a) ₹10890 (b) ₹10260 (c) ₹1260 (d) ₹9630
14. 14.What is the simple interest on ₹4000 at 5% per year for 4 years? (a) ₹200 (b) ₹4800 (c) ₹800 (d) ₹1000
15. 15.In how many years will ₹3000 earn ₹540 simple interest at 6% per year? (a) 6 years (b) 3 years (c) 4 years (d) 2 years
16. 16.₹5500 is invested at 6% per year simple interest. What is the amount after 3 years? (a) ₹990 (b) ₹6820 (c) ₹5830 (d) ₹6490
17. 17.The simple interest on ₹8000 for 4 years is ₹1280. What is the rate per year? (a) 16% (b) 4% (c) 5% (d) 3%
18. 18.In how many years will ₹8500 earn ₹1020 simple interest at 4% per year? (a) 4 years (b) 6 years (c) 2 years (d) 3 years
19. 19.What is the simple interest on ₹4000 at 2% per year for 5 years? (a) ₹80 (b) ₹400 (c) ₹4400 (d) ₹480
20. 20.₹2000 is invested at 11% per year simple interest. What is the amount after 3 years? (a) ₹2880 (b) ₹2660 (c) ₹660 (d) ₹2220
21. 21.₹5500 is invested at 9% per year simple interest. What is the amount after 5 years? (a) ₹5995 (b) ₹7975 (c) ₹8470 (d) ₹2475
22. 22.₹1000 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹1060 (b) ₹1090 (c) ₹60 (d) ₹1030
23. 23.In how many years will ₹7000 earn ₹2100 simple interest at 6% per year? (a) 5 years (b) 4 years (c) 10 years (d) 6 years
24. 24.What is the simple interest on ₹8000 at 11% per year for 2 years? (a) ₹2640 (b) ₹880 (c) ₹9760 (d) ₹1760
25. 25.₹4000 is invested at 5% per year simple interest. What is the amount after 4 years? (a) ₹5000 (b) ₹4800 (c) ₹800 (d) ₹4200
26. 26.₹4500 is invested at 3% per year simple interest. What is the amount after 4 years? (a) ₹5040 (b) ₹5175 (c) ₹4635 (d) ₹540
27. 27.What is the simple interest on ₹6500 at 5% per year for 4 years? (a) ₹1300 (b) ₹1625 (c) ₹325 (d) ₹7800
28. 28.₹3500 is invested at 6% per year simple interest. What is the amount after 5 years? (a) ₹4760 (b) ₹3710 (c) ₹4550 (d) ₹1050
29. 29.The simple interest on ₹8000 for 3 years is ₹2640. What is the rate per year? (a) 10% (b) 33% (c) 11% (d) 12%
30. 30.What is the simple interest on ₹3000 at 10% per year for 5 years? (a) ₹300 (b) ₹1800 (c) ₹4500 (d) ₹1500
31. 31.In how many years will ₹1000 earn ₹440 simple interest at 11% per year? (a) 5 years (b) 3 years (c) 4 years (d) 8 years
32. 32.₹2500 is invested at 9% per year simple interest. What is the amount after 3 years? (a) ₹3400 (b) ₹675 (c) ₹3175 (d) ₹2725
33. 33.The simple interest on ₹2500 for 3 years is ₹825. What is the rate per year? (a) 33% (b) 11% (c) 10% (d) 12%
34. 34.₹2500 is invested at 8% per year simple interest. What is the amount after 3 years? (a) ₹3300 (b) ₹2700 (c) ₹3100 (d) ₹600
35. 35.The simple interest on ₹1000 for 5 years is ₹150. What is the rate per year? (a) 15% (b) 4% (c) 2% (d) 3%
36. 36.The simple interest on ₹8500 for 5 years is ₹4250. What is the rate per year? (a) 9% (b) 10% (c) 50% (d) 11%
37. 37.What is the simple interest on ₹4500 at 2% per year for 3 years? (a) ₹90 (b) ₹360 (c) ₹4770 (d) ₹270
38. 38.What is the simple interest on ₹9500 at 2% per year for 5 years? (a) ₹1140 (b) ₹190 (c) ₹950 (d) ₹10450
39. 39.The simple interest on ₹6500 for 5 years is ₹2925. What is the rate per year? (a) 10% (b) 9% (c) 8% (d) 45%
40. 40.The simple interest on ₹2000 for 3 years is ₹480. What is the rate per year? (a) 24% (b) 7% (c) 9% (d) 8%

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