Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 147 · 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 ₹1000 earn ₹80 simple interest at 4% per year? (a) 4 years (b) 3 years (c) 1 year (d) 2 years
2. 2.In how many years will ₹6000 earn ₹1200 simple interest at 5% per year? (a) 8 years (b) 3 years (c) 5 years (d) 4 years
3. 3.What is the simple interest on ₹2000 at 2% per year for 3 years? (a) ₹160 (b) ₹2120 (c) ₹40 (d) ₹120
4. 4.In how many years will ₹1500 earn ₹360 simple interest at 8% per year? (a) 6 years (b) 3 years (c) 4 years (d) 2 years
5. 5.What is the simple interest on ₹5000 at 8% per year for 3 years? (a) ₹400 (b) ₹6200 (c) ₹1600 (d) ₹1200
6. 6.In how many years will ₹1500 earn ₹315 simple interest at 7% per year? (a) 6 years (b) 3 years (c) 2 years (d) 4 years
7. 7.₹4000 is invested at 7% per year simple interest. What is the amount after 4 years? (a) ₹1120 (b) ₹4280 (c) ₹5400 (d) ₹5120
8. 8.The simple interest on ₹5500 for 2 years is ₹330. What is the rate per year? (a) 2% (b) 4% (c) 3% (d) 6%
9. 9.What is the simple interest on ₹8500 at 3% per year for 3 years? (a) ₹1020 (b) ₹765 (c) ₹255 (d) ₹9265
10. 10.What is the simple interest on ₹1000 at 11% per year for 2 years? (a) ₹110 (b) ₹1220 (c) ₹330 (d) ₹220
11. 11.The simple interest on ₹10000 for 4 years is ₹4000. What is the rate per year? (a) 11% (b) 40% (c) 10% (d) 9%
12. 12.The simple interest on ₹10000 for 5 years is ₹5500. What is the rate per year? (a) 10% (b) 55% (c) 12% (d) 11%
13. 13.The simple interest on ₹1500 for 2 years is ₹210. What is the rate per year? (a) 14% (b) 7% (c) 8% (d) 6%
14. 14.What is the simple interest on ₹3000 at 3% per year for 2 years? (a) ₹3180 (b) ₹90 (c) ₹270 (d) ₹180
15. 15.What is the simple interest on ₹6000 at 8% per year for 3 years? (a) ₹7440 (b) ₹480 (c) ₹1920 (d) ₹1440
16. 16.The simple interest on ₹3500 for 5 years is ₹875. What is the rate per year? (a) 4% (b) 25% (c) 5% (d) 6%
17. 17.The simple interest on ₹10000 for 2 years is ₹2000. What is the rate per year? (a) 9% (b) 10% (c) 20% (d) 11%
18. 18.₹9000 is invested at 6% per year simple interest. What is the amount after 4 years? (a) ₹2160 (b) ₹11160 (c) ₹9540 (d) ₹11700
19. 19.₹2500 is invested at 8% per year simple interest. What is the amount after 2 years? (a) ₹2700 (b) ₹3100 (c) ₹400 (d) ₹2900
20. 20.What is the simple interest on ₹1000 at 4% per year for 5 years? (a) ₹40 (b) ₹200 (c) ₹240 (d) ₹1200
21. 21.In how many years will ₹2000 earn ₹700 simple interest at 7% per year? (a) 6 years (b) 4 years (c) 10 years (d) 5 years
22. 22.₹2000 is invested at 7% per year simple interest. What is the amount after 2 years? (a) ₹2140 (b) ₹280 (c) ₹2420 (d) ₹2280
23. 23.In how many years will ₹8500 earn ₹1700 simple interest at 10% per year? (a) 2 years (b) 1 year (c) 4 years (d) 3 years
24. 24.What is the simple interest on ₹1500 at 7% per year for 5 years? (a) ₹525 (b) ₹630 (c) ₹2025 (d) ₹105
25. 25.₹3000 is invested at 6% per year simple interest. What is the amount after 4 years? (a) ₹3720 (b) ₹3900 (c) ₹3180 (d) ₹720
26. 26.What is the simple interest on ₹10000 at 12% per year for 2 years? (a) ₹3600 (b) ₹1200 (c) ₹12400 (d) ₹2400
27. 27.The simple interest on ₹3000 for 5 years is ₹300. What is the rate per year? (a) 3% (b) 2% (c) 1% (d) 10%
28. 28.The simple interest on ₹1000 for 2 years is ₹100. What is the rate per year? (a) 4% (b) 6% (c) 5% (d) 10%
29. 29.What is the simple interest on ₹3000 at 11% per year for 3 years? (a) ₹1320 (b) ₹330 (c) ₹990 (d) ₹3990
30. 30.In how many years will ₹6500 earn ₹1625 simple interest at 5% per year? (a) 6 years (b) 10 years (c) 4 years (d) 5 years
31. 31.₹2500 is invested at 11% per year simple interest. What is the amount after 2 years? (a) ₹2775 (b) ₹3325 (c) ₹3050 (d) ₹550
32. 32.In how many years will ₹6000 earn ₹1980 simple interest at 11% per year? (a) 2 years (b) 6 years (c) 3 years (d) 4 years
33. 33.What is the simple interest on ₹7500 at 12% per year for 4 years? (a) ₹900 (b) ₹11100 (c) ₹3600 (d) ₹4500
34. 34.The simple interest on ₹7000 for 2 years is ₹1680. What is the rate per year? (a) 11% (b) 24% (c) 13% (d) 12%
35. 35.₹1000 is invested at 6% per year simple interest. What is the amount after 5 years? (a) ₹1360 (b) ₹1300 (c) ₹300 (d) ₹1060
36. 36.₹5500 is invested at 10% per year simple interest. What is the amount after 4 years? (a) ₹7700 (b) ₹8250 (c) ₹2200 (d) ₹6050
37. 37.In how many years will ₹4500 earn ₹2025 simple interest at 9% per year? (a) 4 years (b) 6 years (c) 10 years (d) 5 years
38. 38.What is the simple interest on ₹5000 at 3% per year for 3 years? (a) ₹150 (b) ₹600 (c) ₹450 (d) ₹5450
39. 39.What is the simple interest on ₹9000 at 8% per year for 2 years? (a) ₹10440 (b) ₹720 (c) ₹1440 (d) ₹2160
40. 40.₹8500 is invested at 6% per year simple interest. What is the amount after 5 years? (a) ₹9010 (b) ₹2550 (c) ₹11560 (d) ₹11050

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