Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 745 · 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) 8% (c) 9% (d) 16%
2. 2.What is the simple interest on ₹3500 at 11% per year for 4 years? (a) ₹5040 (b) ₹1540 (c) ₹1925 (d) ₹385
3. 3.₹8500 is invested at 11% per year simple interest. What is the amount after 5 years? (a) ₹14110 (b) ₹13175 (c) ₹4675 (d) ₹9435
4. 4.In how many years will ₹1000 earn ₹240 simple interest at 8% per year? (a) 2 years (b) 6 years (c) 4 years (d) 3 years
5. 5.The simple interest on ₹8500 for 4 years is ₹2380. What is the rate per year? (a) 6% (b) 8% (c) 7% (d) 28%
6. 6.The simple interest on ₹3500 for 5 years is ₹1050. What is the rate per year? (a) 5% (b) 7% (c) 30% (d) 6%
7. 7.What is the simple interest on ₹2000 at 3% per year for 5 years? (a) ₹2300 (b) ₹60 (c) ₹360 (d) ₹300
8. 8.The simple interest on ₹4500 for 2 years is ₹270. What is the rate per year? (a) 6% (b) 3% (c) 4% (d) 2%
9. 9.The simple interest on ₹6000 for 2 years is ₹240. What is the rate per year? (a) 1% (b) 2% (c) 4% (d) 3%
10. 10.In how many years will ₹1500 earn ₹225 simple interest at 3% per year? (a) 5 years (b) 10 years (c) 4 years (d) 6 years
11. 11.What is the simple interest on ₹5500 at 6% per year for 4 years? (a) ₹6820 (b) ₹1320 (c) ₹1650 (d) ₹330
12. 12.What is the simple interest on ₹9500 at 6% per year for 2 years? (a) ₹10640 (b) ₹1710 (c) ₹570 (d) ₹1140
13. 13.₹1000 is invested at 3% per year simple interest. What is the amount after 4 years? (a) ₹120 (b) ₹1120 (c) ₹1030 (d) ₹1150
14. 14.What is the simple interest on ₹8500 at 8% per year for 4 years? (a) ₹11220 (b) ₹2720 (c) ₹3400 (d) ₹680
15. 15.₹3000 is invested at 6% per year simple interest. What is the amount after 4 years? (a) ₹3900 (b) ₹3720 (c) ₹720 (d) ₹3180
16. 16.The simple interest on ₹9000 for 3 years is ₹1620. What is the rate per year? (a) 6% (b) 7% (c) 5% (d) 18%
17. 17.In how many years will ₹9000 earn ₹4050 simple interest at 9% per year? (a) 5 years (b) 10 years (c) 4 years (d) 6 years
18. 18.In how many years will ₹2500 earn ₹300 simple interest at 4% per year? (a) 6 years (b) 2 years (c) 3 years (d) 4 years
19. 19.The simple interest on ₹4500 for 2 years is ₹990. What is the rate per year? (a) 11% (b) 12% (c) 10% (d) 22%
20. 20.What is the simple interest on ₹2000 at 8% per year for 4 years? (a) ₹160 (b) ₹800 (c) ₹2640 (d) ₹640
21. 21.What is the simple interest on ₹2500 at 10% per year for 4 years? (a) ₹1250 (b) ₹3500 (c) ₹250 (d) ₹1000
22. 22.The simple interest on ₹4000 for 3 years is ₹720. What is the rate per year? (a) 7% (b) 6% (c) 18% (d) 5%
23. 23.In how many years will ₹1500 earn ₹360 simple interest at 6% per year? (a) 5 years (b) 3 years (c) 4 years (d) 8 years
24. 24.In how many years will ₹5000 earn ₹800 simple interest at 8% per year? (a) 1 year (b) 3 years (c) 2 years (d) 4 years
25. 25.₹8500 is invested at 11% per year simple interest. What is the amount after 2 years? (a) ₹9435 (b) ₹10370 (c) ₹1870 (d) ₹11305
26. 26.₹1500 is invested at 11% per year simple interest. What is the amount after 3 years? (a) ₹1995 (b) ₹1665 (c) ₹495 (d) ₹2160
27. 27.What is the simple interest on ₹9500 at 2% per year for 5 years? (a) ₹190 (b) ₹1140 (c) ₹950 (d) ₹10450
28. 28.The simple interest on ₹8000 for 2 years is ₹640. What is the rate per year? (a) 8% (b) 5% (c) 3% (d) 4%
29. 29.What is the simple interest on ₹7500 at 6% per year for 4 years? (a) ₹1800 (b) ₹450 (c) ₹2250 (d) ₹9300
30. 30.The simple interest on ₹3000 for 2 years is ₹420. What is the rate per year? (a) 14% (b) 8% (c) 6% (d) 7%
31. 31.What is the simple interest on ₹2000 at 2% per year for 5 years? (a) ₹2200 (b) ₹240 (c) ₹40 (d) ₹200
32. 32.What is the simple interest on ₹3500 at 5% per year for 4 years? (a) ₹175 (b) ₹700 (c) ₹875 (d) ₹4200
33. 33.In how many years will ₹10000 earn ₹3500 simple interest at 7% per year? (a) 10 years (b) 6 years (c) 5 years (d) 4 years
34. 34.What is the simple interest on ₹1000 at 4% per year for 2 years? (a) ₹40 (b) ₹1080 (c) ₹80 (d) ₹120
35. 35.In how many years will ₹5000 earn ₹1400 simple interest at 7% per year? (a) 3 years (b) 5 years (c) 8 years (d) 4 years
36. 36.In how many years will ₹6000 earn ₹540 simple interest at 3% per year? (a) 4 years (b) 6 years (c) 2 years (d) 3 years
37. 37.The simple interest on ₹6500 for 2 years is ₹1040. What is the rate per year? (a) 16% (b) 9% (c) 7% (d) 8%
38. 38.What is the simple interest on ₹7500 at 9% per year for 2 years? (a) ₹1350 (b) ₹8850 (c) ₹2025 (d) ₹675
39. 39.What is the simple interest on ₹1000 at 6% per year for 5 years? (a) ₹300 (b) ₹1300 (c) ₹60 (d) ₹360
40. 40.₹4000 is invested at 8% per year simple interest. What is the amount after 5 years? (a) ₹4320 (b) ₹5920 (c) ₹1600 (d) ₹5600

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