Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 123 · 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.The simple interest on ₹6000 for 2 years is ₹960. What is the rate per year? (a) 7% (b) 16% (c) 8% (d) 9%
2. 2.The simple interest on ₹9000 for 3 years is ₹1620. What is the rate per year? (a) 18% (b) 7% (c) 6% (d) 5%
3. 3.What is the simple interest on ₹10000 at 2% per year for 3 years? (a) ₹200 (b) ₹10600 (c) ₹800 (d) ₹600
4. 4.In how many years will ₹3000 earn ₹270 simple interest at 3% per year? (a) 2 years (b) 4 years (c) 6 years (d) 3 years
5. 5.What is the simple interest on ₹1000 at 5% per year for 3 years? (a) ₹150 (b) ₹1150 (c) ₹50 (d) ₹200
6. 6.What is the simple interest on ₹2500 at 5% per year for 2 years? (a) ₹2750 (b) ₹125 (c) ₹375 (d) ₹250
7. 7.What is the simple interest on ₹4000 at 2% per year for 5 years? (a) ₹4400 (b) ₹80 (c) ₹400 (d) ₹480
8. 8.The simple interest on ₹8000 for 2 years is ₹1280. What is the rate per year? (a) 7% (b) 9% (c) 16% (d) 8%
9. 9.₹3000 is invested at 3% per year simple interest. What is the amount after 3 years? (a) ₹3270 (b) ₹3360 (c) ₹270 (d) ₹3090
10. 10.In how many years will ₹3000 earn ₹600 simple interest at 4% per year? (a) 5 years (b) 10 years (c) 6 years (d) 4 years
11. 11.What is the simple interest on ₹2500 at 2% per year for 3 years? (a) ₹2650 (b) ₹150 (c) ₹200 (d) ₹50
12. 12.In how many years will ₹7000 earn ₹2240 simple interest at 8% per year? (a) 3 years (b) 5 years (c) 8 years (d) 4 years
13. 13.What is the simple interest on ₹4500 at 3% per year for 5 years? (a) ₹135 (b) ₹5175 (c) ₹810 (d) ₹675
14. 14.The simple interest on ₹7500 for 3 years is ₹1575. What is the rate per year? (a) 8% (b) 21% (c) 7% (d) 6%
15. 15.What is the simple interest on ₹9500 at 3% per year for 3 years? (a) ₹10355 (b) ₹285 (c) ₹1140 (d) ₹855
16. 16.The simple interest on ₹3000 for 2 years is ₹180. What is the rate per year? (a) 6% (b) 4% (c) 2% (d) 3%
17. 17.In how many years will ₹9000 earn ₹2880 simple interest at 8% per year? (a) 3 years (b) 8 years (c) 5 years (d) 4 years
18. 18.In how many years will ₹8500 earn ₹3400 simple interest at 8% per year? (a) 4 years (b) 6 years (c) 10 years (d) 5 years
19. 19.In how many years will ₹3500 earn ₹280 simple interest at 2% per year? (a) 8 years (b) 3 years (c) 5 years (d) 4 years
20. 20.In how many years will ₹2000 earn ₹1100 simple interest at 11% per year? (a) 4 years (b) 10 years (c) 6 years (d) 5 years
21. 21.What is the simple interest on ₹3500 at 12% per year for 5 years? (a) ₹2520 (b) ₹420 (c) ₹5600 (d) ₹2100
22. 22.What is the simple interest on ₹1500 at 12% per year for 5 years? (a) ₹900 (b) ₹1080 (c) ₹180 (d) ₹2400
23. 23.The simple interest on ₹1500 for 4 years is ₹660. What is the rate per year? (a) 44% (b) 12% (c) 10% (d) 11%
24. 24.The simple interest on ₹3000 for 4 years is ₹240. What is the rate per year? (a) 3% (b) 1% (c) 8% (d) 2%
25. 25.What is the simple interest on ₹8500 at 11% per year for 2 years? (a) ₹10370 (b) ₹1870 (c) ₹935 (d) ₹2805
26. 26.In how many years will ₹2000 earn ₹640 simple interest at 8% per year? (a) 3 years (b) 5 years (c) 4 years (d) 8 years
27. 27.₹8000 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹8480 (b) ₹320 (c) ₹8160 (d) ₹8320
28. 28.₹9500 is invested at 8% per year simple interest. What is the amount after 2 years? (a) ₹1520 (b) ₹11780 (c) ₹11020 (d) ₹10260
29. 29.₹5500 is invested at 10% per year simple interest. What is the amount after 2 years? (a) ₹6600 (b) ₹7150 (c) ₹1100 (d) ₹6050
30. 30.What is the simple interest on ₹8500 at 9% per year for 2 years? (a) ₹10030 (b) ₹765 (c) ₹2295 (d) ₹1530
31. 31.What is the simple interest on ₹8500 at 9% per year for 3 years? (a) ₹765 (b) ₹10795 (c) ₹3060 (d) ₹2295
32. 32.₹7500 is invested at 5% per year simple interest. What is the amount after 3 years? (a) ₹8625 (b) ₹7875 (c) ₹9000 (d) ₹1125
33. 33.₹6000 is invested at 11% per year simple interest. What is the amount after 4 years? (a) ₹9300 (b) ₹2640 (c) ₹6660 (d) ₹8640
34. 34.The simple interest on ₹5000 for 4 years is ₹1800. What is the rate per year? (a) 36% (b) 9% (c) 8% (d) 10%
35. 35.What is the simple interest on ₹3000 at 7% per year for 4 years? (a) ₹3840 (b) ₹840 (c) ₹1050 (d) ₹210
36. 36.What is the simple interest on ₹3000 at 12% per year for 4 years? (a) ₹360 (b) ₹1800 (c) ₹1440 (d) ₹4440
37. 37.₹1500 is invested at 8% per year simple interest. What is the amount after 3 years? (a) ₹1980 (b) ₹1620 (c) ₹1860 (d) ₹360
38. 38.What is the simple interest on ₹9500 at 5% per year for 2 years? (a) ₹950 (b) ₹1425 (c) ₹10450 (d) ₹475
39. 39.₹3000 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹3060 (b) ₹120 (c) ₹3180 (d) ₹3120
40. 40.What is the simple interest on ₹4500 at 12% per year for 4 years? (a) ₹2700 (b) ₹2160 (c) ₹540 (d) ₹6660

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