Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 525 · 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 ₹4000 at 10% per year for 3 years? (a) ₹400 (b) ₹5200 (c) ₹1600 (d) ₹1200
2. 2.What is the simple interest on ₹4500 at 6% per year for 3 years? (a) ₹1080 (b) ₹5310 (c) ₹270 (d) ₹810
3. 3.₹7500 is invested at 4% per year simple interest. What is the amount after 3 years? (a) ₹7800 (b) ₹8700 (c) ₹900 (d) ₹8400
4. 4.What is the simple interest on ₹3000 at 6% per year for 2 years? (a) ₹3360 (b) ₹540 (c) ₹180 (d) ₹360
5. 5.₹3000 is invested at 3% per year simple interest. What is the amount after 4 years? (a) ₹3090 (b) ₹360 (c) ₹3450 (d) ₹3360
6. 6.What is the simple interest on ₹5000 at 7% per year for 5 years? (a) ₹350 (b) ₹6750 (c) ₹2100 (d) ₹1750
7. 7.In how many years will ₹7000 earn ₹1960 simple interest at 7% per year? (a) 3 years (b) 5 years (c) 8 years (d) 4 years
8. 8.₹1500 is invested at 11% per year simple interest. What is the amount after 4 years? (a) ₹2160 (b) ₹660 (c) ₹2325 (d) ₹1665
9. 9.The simple interest on ₹7000 for 2 years is ₹1400. What is the rate per year? (a) 20% (b) 11% (c) 9% (d) 10%
10. 10.In how many years will ₹7500 earn ₹2400 simple interest at 8% per year? (a) 5 years (b) 4 years (c) 3 years (d) 8 years
11. 11.₹3000 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹120 (b) ₹3120 (c) ₹3060 (d) ₹3180
12. 12.What is the simple interest on ₹8500 at 7% per year for 2 years? (a) ₹1190 (b) ₹1785 (c) ₹595 (d) ₹9690
13. 13.The simple interest on ₹4500 for 2 years is ₹360. What is the rate per year? (a) 3% (b) 5% (c) 8% (d) 4%
14. 14.₹6500 is invested at 10% per year simple interest. What is the amount after 5 years? (a) ₹9750 (b) ₹10400 (c) ₹3250 (d) ₹7150
15. 15.₹2500 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹150 (b) ₹2575 (c) ₹2650 (d) ₹2725
16. 16.What is the simple interest on ₹10000 at 2% per year for 4 years? (a) ₹800 (b) ₹1000 (c) ₹200 (d) ₹10800
17. 17.What is the simple interest on ₹6500 at 11% per year for 4 years? (a) ₹9360 (b) ₹715 (c) ₹3575 (d) ₹2860
18. 18.What is the simple interest on ₹10000 at 3% per year for 5 years? (a) ₹1800 (b) ₹11500 (c) ₹300 (d) ₹1500
19. 19.What is the simple interest on ₹4000 at 9% per year for 2 years? (a) ₹4720 (b) ₹360 (c) ₹1080 (d) ₹720
20. 20.What is the simple interest on ₹2000 at 7% per year for 5 years? (a) ₹700 (b) ₹2700 (c) ₹140 (d) ₹840
21. 21.₹10000 is invested at 9% per year simple interest. What is the amount after 4 years? (a) ₹14500 (b) ₹3600 (c) ₹10900 (d) ₹13600
22. 22.The simple interest on ₹7500 for 5 years is ₹3750. What is the rate per year? (a) 50% (b) 11% (c) 10% (d) 9%
23. 23.₹4500 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹4770 (b) ₹4680 (c) ₹180 (d) ₹4590
24. 24.₹7000 is invested at 11% per year simple interest. What is the amount after 5 years? (a) ₹10850 (b) ₹7770 (c) ₹11620 (d) ₹3850
25. 25.What is the simple interest on ₹6000 at 4% per year for 2 years? (a) ₹720 (b) ₹240 (c) ₹6480 (d) ₹480
26. 26.What is the simple interest on ₹9000 at 2% per year for 2 years? (a) ₹180 (b) ₹360 (c) ₹9360 (d) ₹540
27. 27.The simple interest on ₹1500 for 3 years is ₹450. What is the rate per year? (a) 10% (b) 11% (c) 9% (d) 30%
28. 28.₹2000 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹2040 (b) ₹2120 (c) ₹80 (d) ₹2080
29. 29.In how many years will ₹9000 earn ₹5400 simple interest at 12% per year? (a) 6 years (b) 4 years (c) 10 years (d) 5 years
30. 30.What is the simple interest on ₹1500 at 7% per year for 5 years? (a) ₹2025 (b) ₹630 (c) ₹105 (d) ₹525
31. 31.In how many years will ₹7000 earn ₹1540 simple interest at 11% per year? (a) 2 years (b) 1 year (c) 3 years (d) 4 years
32. 32.The simple interest on ₹5500 for 5 years is ₹3025. What is the rate per year? (a) 11% (b) 10% (c) 55% (d) 12%
33. 33.The simple interest on ₹2500 for 5 years is ₹875. What is the rate per year? (a) 8% (b) 6% (c) 35% (d) 7%
34. 34.₹5500 is invested at 2% per year simple interest. What is the amount after 5 years? (a) ₹6160 (b) ₹5610 (c) ₹6050 (d) ₹550
35. 35.In how many years will ₹1000 earn ₹300 simple interest at 6% per year? (a) 10 years (b) 6 years (c) 5 years (d) 4 years
36. 36.The simple interest on ₹9500 for 4 years is ₹3420. What is the rate per year? (a) 36% (b) 8% (c) 10% (d) 9%
37. 37.₹4500 is invested at 4% per year simple interest. What is the amount after 5 years? (a) ₹5400 (b) ₹4680 (c) ₹900 (d) ₹5580
38. 38.₹2500 is invested at 7% per year simple interest. What is the amount after 5 years? (a) ₹875 (b) ₹2675 (c) ₹3375 (d) ₹3550
39. 39.In how many years will ₹8000 earn ₹1280 simple interest at 4% per year? (a) 8 years (b) 3 years (c) 4 years (d) 5 years
40. 40.What is the simple interest on ₹8000 at 7% per year for 3 years? (a) ₹9680 (b) ₹2240 (c) ₹1680 (d) ₹560

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