Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 188 · 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 ₹5500 for 3 years is ₹660. What is the rate per year? (a) 5% (b) 12% (c) 4% (d) 3%
2. 2.What is the simple interest on ₹5500 at 5% per year for 3 years? (a) ₹1100 (b) ₹275 (c) ₹825 (d) ₹6325
3. 3.₹9500 is invested at 10% per year simple interest. What is the amount after 3 years? (a) ₹2850 (b) ₹13300 (c) ₹10450 (d) ₹12350
4. 4.₹8500 is invested at 9% per year simple interest. What is the amount after 4 years? (a) ₹12325 (b) ₹9265 (c) ₹11560 (d) ₹3060
5. 5.What is the simple interest on ₹2000 at 9% per year for 3 years? (a) ₹180 (b) ₹2540 (c) ₹720 (d) ₹540
6. 6.The simple interest on ₹1000 for 3 years is ₹180. What is the rate per year? (a) 18% (b) 6% (c) 7% (d) 5%
7. 7.The simple interest on ₹10000 for 2 years is ₹1000. What is the rate per year? (a) 6% (b) 5% (c) 4% (d) 10%
8. 8.In how many years will ₹4000 earn ₹640 simple interest at 4% per year? (a) 4 years (b) 3 years (c) 8 years (d) 5 years
9. 9.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
10. 10.What is the simple interest on ₹1000 at 9% per year for 3 years? (a) ₹360 (b) ₹1270 (c) ₹90 (d) ₹270
11. 11.₹1500 is invested at 12% per year simple interest. What is the amount after 5 years? (a) ₹900 (b) ₹2580 (c) ₹2400 (d) ₹1680
12. 12.What is the simple interest on ₹4500 at 5% per year for 3 years? (a) ₹225 (b) ₹675 (c) ₹5175 (d) ₹900
13. 13.What is the simple interest on ₹8500 at 9% per year for 2 years? (a) ₹10030 (b) ₹1530 (c) ₹2295 (d) ₹765
14. 14.₹3500 is invested at 12% per year simple interest. What is the amount after 4 years? (a) ₹3920 (b) ₹5600 (c) ₹1680 (d) ₹5180
15. 15.What is the simple interest on ₹2500 at 4% per year for 2 years? (a) ₹100 (b) ₹300 (c) ₹2700 (d) ₹200
16. 16.In how many years will ₹4000 earn ₹600 simple interest at 5% per year? (a) 3 years (b) 2 years (c) 6 years (d) 4 years
17. 17.What is the simple interest on ₹3000 at 2% per year for 4 years? (a) ₹60 (b) ₹300 (c) ₹3240 (d) ₹240
18. 18.₹6500 is invested at 12% per year simple interest. What is the amount after 2 years? (a) ₹8840 (b) ₹7280 (c) ₹8060 (d) ₹1560
19. 19.The simple interest on ₹5000 for 4 years is ₹2400. What is the rate per year? (a) 48% (b) 12% (c) 13% (d) 11%
20. 20.What is the simple interest on ₹8000 at 6% per year for 2 years? (a) ₹480 (b) ₹8960 (c) ₹1440 (d) ₹960
21. 21.What is the simple interest on ₹4500 at 7% per year for 2 years? (a) ₹630 (b) ₹945 (c) ₹315 (d) ₹5130
22. 22.The simple interest on ₹9000 for 5 years is ₹1350. What is the rate per year? (a) 3% (b) 4% (c) 15% (d) 2%
23. 23.The simple interest on ₹7500 for 3 years is ₹1800. What is the rate per year? (a) 24% (b) 8% (c) 7% (d) 9%
24. 24.In how many years will ₹4500 earn ₹270 simple interest at 3% per year? (a) 4 years (b) 3 years (c) 1 year (d) 2 years
25. 25.The simple interest on ₹4000 for 4 years is ₹1440. What is the rate per year? (a) 10% (b) 9% (c) 8% (d) 36%
26. 26.What is the simple interest on ₹1000 at 12% per year for 2 years? (a) ₹1240 (b) ₹120 (c) ₹240 (d) ₹360
27. 27.The simple interest on ₹2500 for 2 years is ₹450. What is the rate per year? (a) 10% (b) 18% (c) 9% (d) 8%
28. 28.The simple interest on ₹1500 for 5 years is ₹825. What is the rate per year? (a) 12% (b) 55% (c) 11% (d) 10%
29. 29.What is the simple interest on ₹2000 at 2% per year for 5 years? (a) ₹200 (b) ₹240 (c) ₹2200 (d) ₹40
30. 30.What is the simple interest on ₹2000 at 11% per year for 5 years? (a) ₹3100 (b) ₹220 (c) ₹1100 (d) ₹1320
31. 31.₹3500 is invested at 10% per year simple interest. What is the amount after 4 years? (a) ₹5250 (b) ₹4900 (c) ₹1400 (d) ₹3850
32. 32.The simple interest on ₹5500 for 5 years is ₹2750. What is the rate per year? (a) 11% (b) 50% (c) 10% (d) 9%
33. 33.What is the simple interest on ₹1000 at 5% per year for 2 years? (a) ₹50 (b) ₹150 (c) ₹1100 (d) ₹100
34. 34.In how many years will ₹6000 earn ₹720 simple interest at 6% per year? (a) 2 years (b) 1 year (c) 4 years (d) 3 years
35. 35.₹4500 is invested at 2% per year simple interest. What is the amount after 4 years? (a) ₹4590 (b) ₹360 (c) ₹4950 (d) ₹4860
36. 36.What is the simple interest on ₹4000 at 11% per year for 4 years? (a) ₹5760 (b) ₹2200 (c) ₹440 (d) ₹1760
37. 37.What is the simple interest on ₹6500 at 3% per year for 3 years? (a) ₹780 (b) ₹585 (c) ₹7085 (d) ₹195
38. 38.₹1000 is invested at 8% per year simple interest. What is the amount after 3 years? (a) ₹1080 (b) ₹240 (c) ₹1320 (d) ₹1240
39. 39.In how many years will ₹3500 earn ₹1225 simple interest at 7% per year? (a) 10 years (b) 4 years (c) 5 years (d) 6 years
40. 40.In how many years will ₹3500 earn ₹1260 simple interest at 12% per year? (a) 2 years (b) 6 years (c) 4 years (d) 3 years

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