Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 542 · 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 ₹7000 earn ₹1400 simple interest at 10% per year? (a) 4 years (b) 3 years (c) 1 year (d) 2 years
2. 2.What is the simple interest on ₹1000 at 3% per year for 2 years? (a) ₹60 (b) ₹30 (c) ₹90 (d) ₹1060
3. 3.In how many years will ₹6000 earn ₹2160 simple interest at 12% per year? (a) 4 years (b) 2 years (c) 6 years (d) 3 years
4. 4.₹3000 is invested at 11% per year simple interest. What is the amount after 2 years? (a) ₹660 (b) ₹3990 (c) ₹3330 (d) ₹3660
5. 5.What is the simple interest on ₹6500 at 8% per year for 5 years? (a) ₹3120 (b) ₹520 (c) ₹2600 (d) ₹9100
6. 6.In how many years will ₹3000 earn ₹120 simple interest at 2% per year? (a) 1 year (b) 4 years (c) 2 years (d) 3 years
7. 7.The simple interest on ₹3000 for 4 years is ₹720. What is the rate per year? (a) 24% (b) 5% (c) 7% (d) 6%
8. 8.In how many years will ₹3500 earn ₹350 simple interest at 2% per year? (a) 4 years (b) 6 years (c) 10 years (d) 5 years
9. 9.The simple interest on ₹1500 for 2 years is ₹120. What is the rate per year? (a) 5% (b) 4% (c) 3% (d) 8%
10. 10.What is the simple interest on ₹6000 at 11% per year for 3 years? (a) ₹1980 (b) ₹2640 (c) ₹660 (d) ₹7980
11. 11.What is the simple interest on ₹6500 at 5% per year for 2 years? (a) ₹975 (b) ₹325 (c) ₹7150 (d) ₹650
12. 12.The simple interest on ₹6000 for 2 years is ₹600. What is the rate per year? (a) 10% (b) 6% (c) 4% (d) 5%
13. 13.The simple interest on ₹6000 for 2 years is ₹840. What is the rate per year? (a) 8% (b) 14% (c) 6% (d) 7%
14. 14.₹1000 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹1120 (b) ₹1080 (c) ₹1040 (d) ₹80
15. 15.₹1500 is invested at 3% per year simple interest. What is the amount after 5 years? (a) ₹1770 (b) ₹225 (c) ₹1725 (d) ₹1545
16. 16.In how many years will ₹7000 earn ₹3500 simple interest at 10% per year? (a) 6 years (b) 10 years (c) 5 years (d) 4 years
17. 17.₹9500 is invested at 9% per year simple interest. What is the amount after 5 years? (a) ₹13775 (b) ₹4275 (c) ₹14630 (d) ₹10355
18. 18.In how many years will ₹9500 earn ₹4180 simple interest at 11% per year? (a) 3 years (b) 8 years (c) 5 years (d) 4 years
19. 19.₹9000 is invested at 11% per year simple interest. What is the amount after 4 years? (a) ₹13950 (b) ₹12960 (c) ₹3960 (d) ₹9990
20. 20.The simple interest on ₹8500 for 4 years is ₹3400. What is the rate per year? (a) 10% (b) 40% (c) 11% (d) 9%
21. 21.The simple interest on ₹1000 for 4 years is ₹200. What is the rate per year? (a) 20% (b) 6% (c) 4% (d) 5%
22. 22.The simple interest on ₹4000 for 4 years is ₹1600. What is the rate per year? (a) 40% (b) 11% (c) 9% (d) 10%
23. 23.The simple interest on ₹1000 for 4 years is ₹240. What is the rate per year? (a) 24% (b) 5% (c) 6% (d) 7%
24. 24.The simple interest on ₹9000 for 2 years is ₹1260. What is the rate per year? (a) 14% (b) 6% (c) 7% (d) 8%
25. 25.What is the simple interest on ₹3000 at 7% per year for 3 years? (a) ₹3630 (b) ₹630 (c) ₹210 (d) ₹840
26. 26.₹1500 is invested at 5% per year simple interest. What is the amount after 2 years? (a) ₹1575 (b) ₹1650 (c) ₹150 (d) ₹1725
27. 27.In how many years will ₹3500 earn ₹1120 simple interest at 8% per year? (a) 8 years (b) 5 years (c) 4 years (d) 3 years
28. 28.What is the simple interest on ₹5000 at 4% per year for 3 years? (a) ₹5600 (b) ₹800 (c) ₹600 (d) ₹200
29. 29.What is the simple interest on ₹9000 at 4% per year for 5 years? (a) ₹10800 (b) ₹360 (c) ₹1800 (d) ₹2160
30. 30.In how many years will ₹1500 earn ₹270 simple interest at 6% per year? (a) 2 years (b) 3 years (c) 6 years (d) 4 years
31. 31.What is the simple interest on ₹1000 at 5% per year for 3 years? (a) ₹1150 (b) ₹200 (c) ₹150 (d) ₹50
32. 32.The simple interest on ₹2000 for 4 years is ₹160. What is the rate per year? (a) 2% (b) 1% (c) 3% (d) 8%
33. 33.The simple interest on ₹7500 for 4 years is ₹2700. What is the rate per year? (a) 36% (b) 10% (c) 8% (d) 9%
34. 34.₹4500 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹4770 (b) ₹4680 (c) ₹180 (d) ₹4590
35. 35.What is the simple interest on ₹9500 at 5% per year for 2 years? (a) ₹1425 (b) ₹475 (c) ₹950 (d) ₹10450
36. 36.In how many years will ₹7000 earn ₹420 simple interest at 2% per year? (a) 4 years (b) 6 years (c) 3 years (d) 2 years
37. 37.What is the simple interest on ₹8000 at 5% per year for 2 years? (a) ₹8800 (b) ₹400 (c) ₹800 (d) ₹1200
38. 38.What is the simple interest on ₹2000 at 2% per year for 3 years? (a) ₹40 (b) ₹160 (c) ₹2120 (d) ₹120
39. 39.What is the simple interest on ₹7500 at 3% per year for 4 years? (a) ₹225 (b) ₹8400 (c) ₹1125 (d) ₹900
40. 40.In how many years will ₹4000 earn ₹320 simple interest at 4% per year? (a) 2 years (b) 1 year (c) 4 years (d) 3 years

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