Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 483 · 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 ₹8000 at 7% per year for 3 years? (a) ₹1680 (b) ₹2240 (c) ₹560 (d) ₹9680
2. 2.In how many years will ₹3000 earn ₹540 simple interest at 6% per year? (a) 6 years (b) 3 years (c) 4 years (d) 2 years
3. 3.What is the simple interest on ₹6000 at 4% per year for 5 years? (a) ₹7200 (b) ₹1200 (c) ₹240 (d) ₹1440
4. 4.In how many years will ₹8000 earn ₹320 simple interest at 2% per year? (a) 3 years (b) 4 years (c) 2 years (d) 1 year
5. 5.What is the simple interest on ₹8000 at 8% per year for 5 years? (a) ₹3200 (b) ₹640 (c) ₹11200 (d) ₹3840
6. 6.The simple interest on ₹3500 for 3 years is ₹1260. What is the rate per year? (a) 36% (b) 11% (c) 12% (d) 13%
7. 7.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
8. 8.What is the simple interest on ₹7500 at 2% per year for 4 years? (a) ₹600 (b) ₹150 (c) ₹8100 (d) ₹750
9. 9.What is the simple interest on ₹3000 at 11% per year for 2 years? (a) ₹990 (b) ₹3660 (c) ₹330 (d) ₹660
10. 10.In how many years will ₹1000 earn ₹400 simple interest at 10% per year? (a) 8 years (b) 3 years (c) 5 years (d) 4 years
11. 11.What is the simple interest on ₹4500 at 7% per year for 3 years? (a) ₹5445 (b) ₹1260 (c) ₹945 (d) ₹315
12. 12.What is the simple interest on ₹4500 at 3% per year for 4 years? (a) ₹135 (b) ₹5040 (c) ₹675 (d) ₹540
13. 13.The simple interest on ₹2000 for 3 years is ₹300. What is the rate per year? (a) 6% (b) 4% (c) 5% (d) 15%
14. 14.In how many years will ₹7000 earn ₹980 simple interest at 7% per year? (a) 1 year (b) 2 years (c) 3 years (d) 4 years
15. 15.The simple interest on ₹9500 for 4 years is ₹760. What is the rate per year? (a) 1% (b) 3% (c) 8% (d) 2%
16. 16.In how many years will ₹4000 earn ₹800 simple interest at 4% per year? (a) 6 years (b) 5 years (c) 10 years (d) 4 years
17. 17.The simple interest on ₹2500 for 3 years is ₹450. What is the rate per year? (a) 7% (b) 6% (c) 18% (d) 5%
18. 18.₹3000 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹3270 (b) ₹3180 (c) ₹180 (d) ₹3090
19. 19.₹6000 is invested at 9% per year simple interest. What is the amount after 5 years? (a) ₹9240 (b) ₹2700 (c) ₹8700 (d) ₹6540
20. 20.What is the simple interest on ₹5500 at 5% per year for 5 years? (a) ₹1375 (b) ₹275 (c) ₹1650 (d) ₹6875
21. 21.What is the simple interest on ₹7500 at 2% per year for 2 years? (a) ₹150 (b) ₹300 (c) ₹7800 (d) ₹450
22. 22.What is the simple interest on ₹2000 at 12% per year for 5 years? (a) ₹3200 (b) ₹1440 (c) ₹1200 (d) ₹240
23. 23.The simple interest on ₹1000 for 3 years is ₹60. What is the rate per year? (a) 3% (b) 6% (c) 2% (d) 1%
24. 24.₹6500 is invested at 7% per year simple interest. What is the amount after 3 years? (a) ₹8320 (b) ₹1365 (c) ₹6955 (d) ₹7865
25. 25.In how many years will ₹9000 earn ₹2250 simple interest at 5% per year? (a) 6 years (b) 10 years (c) 4 years (d) 5 years
26. 26.What is the simple interest on ₹2500 at 5% per year for 5 years? (a) ₹125 (b) ₹625 (c) ₹750 (d) ₹3125
27. 27.In how many years will ₹2000 earn ₹240 simple interest at 3% per year? (a) 5 years (b) 3 years (c) 8 years (d) 4 years
28. 28.₹5000 is invested at 11% per year simple interest. What is the amount after 3 years? (a) ₹1650 (b) ₹7200 (c) ₹6650 (d) ₹5550
29. 29.What is the simple interest on ₹5000 at 8% per year for 3 years? (a) ₹1200 (b) ₹400 (c) ₹1600 (d) ₹6200
30. 30.What is the simple interest on ₹7500 at 10% per year for 2 years? (a) ₹750 (b) ₹9000 (c) ₹2250 (d) ₹1500
31. 31.₹3500 is invested at 12% per year simple interest. What is the amount after 4 years? (a) ₹5180 (b) ₹3920 (c) ₹1680 (d) ₹5600
32. 32.In how many years will ₹3500 earn ₹945 simple interest at 9% per year? (a) 2 years (b) 4 years (c) 6 years (d) 3 years
33. 33.In how many years will ₹2000 earn ₹420 simple interest at 7% per year? (a) 3 years (b) 4 years (c) 6 years (d) 2 years
34. 34.₹7000 is invested at 4% per year simple interest. What is the amount after 4 years? (a) ₹1120 (b) ₹8400 (c) ₹7280 (d) ₹8120
35. 35.In how many years will ₹8000 earn ₹3600 simple interest at 9% per year? (a) 10 years (b) 5 years (c) 6 years (d) 4 years
36. 36.₹6500 is invested at 3% per year simple interest. What is the amount after 5 years? (a) ₹975 (b) ₹7670 (c) ₹7475 (d) ₹6695
37. 37.What is the simple interest on ₹4000 at 6% per year for 3 years? (a) ₹960 (b) ₹720 (c) ₹240 (d) ₹4720
38. 38.In how many years will ₹2500 earn ₹200 simple interest at 4% per year? (a) 2 years (b) 3 years (c) 4 years (d) 1 year
39. 39.₹7000 is invested at 3% per year simple interest. What is the amount after 5 years? (a) ₹8260 (b) ₹7210 (c) ₹1050 (d) ₹8050
40. 40.What is the simple interest on ₹9000 at 2% per year for 5 years? (a) ₹9900 (b) ₹1080 (c) ₹900 (d) ₹180

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