Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 700 · 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 ₹8500 at 4% per year for 4 years? (a) ₹1360 (b) ₹1700 (c) ₹340 (d) ₹9860
2. 2.₹6500 is invested at 3% per year simple interest. What is the amount after 5 years? (a) ₹7475 (b) ₹975 (c) ₹6695 (d) ₹7670
3. 3.What is the simple interest on ₹7500 at 12% per year for 4 years? (a) ₹4500 (b) ₹11100 (c) ₹3600 (d) ₹900
4. 4.In how many years will ₹2000 earn ₹240 simple interest at 6% per year? (a) 2 years (b) 4 years (c) 1 year (d) 3 years
5. 5.₹2500 is invested at 6% per year simple interest. What is the amount after 5 years? (a) ₹2650 (b) ₹3400 (c) ₹750 (d) ₹3250
6. 6.In how many years will ₹7000 earn ₹980 simple interest at 7% per year? (a) 4 years (b) 2 years (c) 3 years (d) 1 year
7. 7.₹2000 is invested at 2% per year simple interest. What is the amount after 4 years? (a) ₹2040 (b) ₹160 (c) ₹2200 (d) ₹2160
8. 8.What is the simple interest on ₹2500 at 8% per year for 3 years? (a) ₹800 (b) ₹600 (c) ₹3100 (d) ₹200
9. 9.What is the simple interest on ₹4000 at 2% per year for 2 years? (a) ₹240 (b) ₹4160 (c) ₹80 (d) ₹160
10. 10.In how many years will ₹7500 earn ₹1200 simple interest at 4% per year? (a) 5 years (b) 4 years (c) 8 years (d) 3 years
11. 11.In how many years will ₹10000 earn ₹900 simple interest at 3% per year? (a) 6 years (b) 2 years (c) 4 years (d) 3 years
12. 12.In how many years will ₹3000 earn ₹480 simple interest at 4% per year? (a) 8 years (b) 3 years (c) 5 years (d) 4 years
13. 13.In how many years will ₹6500 earn ₹910 simple interest at 7% per year? (a) 1 year (b) 4 years (c) 3 years (d) 2 years
14. 14.What is the simple interest on ₹9500 at 7% per year for 5 years? (a) ₹3990 (b) ₹3325 (c) ₹665 (d) ₹12825
15. 15.The simple interest on ₹7000 for 5 years is ₹3500. What is the rate per year? (a) 11% (b) 9% (c) 50% (d) 10%
16. 16.The simple interest on ₹2000 for 3 years is ₹480. What is the rate per year? (a) 24% (b) 9% (c) 8% (d) 7%
17. 17.₹4500 is invested at 12% per year simple interest. What is the amount after 2 years? (a) ₹1080 (b) ₹5580 (c) ₹5040 (d) ₹6120
18. 18.₹7500 is invested at 11% per year simple interest. What is the amount after 5 years? (a) ₹4125 (b) ₹8325 (c) ₹12450 (d) ₹11625
19. 19.The simple interest on ₹8000 for 5 years is ₹4800. What is the rate per year? (a) 12% (b) 11% (c) 13% (d) 60%
20. 20.In how many years will ₹9000 earn ₹1350 simple interest at 5% per year? (a) 4 years (b) 3 years (c) 6 years (d) 2 years
21. 21.What is the simple interest on ₹2500 at 6% per year for 4 years? (a) ₹3100 (b) ₹750 (c) ₹600 (d) ₹150
22. 22.₹9000 is invested at 6% per year simple interest. What is the amount after 3 years? (a) ₹11160 (b) ₹10620 (c) ₹9540 (d) ₹1620
23. 23.The simple interest on ₹8500 for 4 years is ₹2040. What is the rate per year? (a) 24% (b) 5% (c) 7% (d) 6%
24. 24.What is the simple interest on ₹1500 at 3% per year for 4 years? (a) ₹1680 (b) ₹45 (c) ₹180 (d) ₹225
25. 25.The simple interest on ₹1500 for 3 years is ₹315. What is the rate per year? (a) 6% (b) 8% (c) 7% (d) 21%
26. 26.What is the simple interest on ₹7000 at 10% per year for 2 years? (a) ₹700 (b) ₹1400 (c) ₹8400 (d) ₹2100
27. 27.What is the simple interest on ₹10000 at 10% per year for 2 years? (a) ₹12000 (b) ₹2000 (c) ₹3000 (d) ₹1000
28. 28.The simple interest on ₹8500 for 5 years is ₹4675. What is the rate per year? (a) 11% (b) 10% (c) 55% (d) 12%
29. 29.₹5000 is invested at 11% per year simple interest. What is the amount after 4 years? (a) ₹5550 (b) ₹7750 (c) ₹2200 (d) ₹7200
30. 30.₹7000 is invested at 3% per year simple interest. What is the amount after 3 years? (a) ₹7210 (b) ₹7630 (c) ₹630 (d) ₹7840
31. 31.In how many years will ₹6000 earn ₹1980 simple interest at 11% per year? (a) 4 years (b) 3 years (c) 2 years (d) 6 years
32. 32.What is the simple interest on ₹5000 at 11% per year for 5 years? (a) ₹550 (b) ₹7750 (c) ₹2750 (d) ₹3300
33. 33.₹2000 is invested at 8% per year simple interest. What is the amount after 5 years? (a) ₹800 (b) ₹2160 (c) ₹2960 (d) ₹2800
34. 34.The simple interest on ₹9500 for 2 years is ₹760. What is the rate per year? (a) 8% (b) 3% (c) 4% (d) 5%
35. 35.The simple interest on ₹9000 for 2 years is ₹360. What is the rate per year? (a) 1% (b) 3% (c) 4% (d) 2%
36. 36.In how many years will ₹9000 earn ₹4500 simple interest at 10% per year? (a) 5 years (b) 4 years (c) 6 years (d) 10 years
37. 37.What is the simple interest on ₹8000 at 12% per year for 3 years? (a) ₹10880 (b) ₹3840 (c) ₹2880 (d) ₹960
38. 38.₹7500 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹8400 (b) ₹600 (c) ₹7800 (d) ₹8100
39. 39.The simple interest on ₹1500 for 3 years is ₹405. What is the rate per year? (a) 8% (b) 10% (c) 9% (d) 27%
40. 40.In how many years will ₹4500 earn ₹1260 simple interest at 7% per year? (a) 3 years (b) 8 years (c) 5 years (d) 4 years

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