Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 354 · 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 ₹8500 earn ₹3400 simple interest at 8% per year? (a) 6 years (b) 5 years (c) 4 years (d) 10 years
2. 2.₹9000 is invested at 6% per year simple interest. What is the amount after 4 years? (a) ₹11700 (b) ₹2160 (c) ₹11160 (d) ₹9540
3. 3.₹4500 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹4680 (b) ₹4860 (c) ₹5040 (d) ₹360
4. 4.₹9000 is invested at 5% per year simple interest. What is the amount after 5 years? (a) ₹2250 (b) ₹11250 (c) ₹11700 (d) ₹9450
5. 5.The simple interest on ₹5000 for 5 years is ₹3000. What is the rate per year? (a) 11% (b) 13% (c) 60% (d) 12%
6. 6.What is the simple interest on ₹3000 at 6% per year for 4 years? (a) ₹3720 (b) ₹180 (c) ₹720 (d) ₹900
7. 7.The simple interest on ₹2000 for 3 years is ₹480. What is the rate per year? (a) 8% (b) 24% (c) 9% (d) 7%
8. 8.What is the simple interest on ₹4000 at 3% per year for 3 years? (a) ₹480 (b) ₹360 (c) ₹120 (d) ₹4360
9. 9.What is the simple interest on ₹3000 at 7% per year for 2 years? (a) ₹210 (b) ₹420 (c) ₹630 (d) ₹3420
10. 10.In how many years will ₹6500 earn ₹1365 simple interest at 7% per year? (a) 4 years (b) 3 years (c) 6 years (d) 2 years
11. 11.What is the simple interest on ₹2500 at 4% per year for 2 years? (a) ₹2700 (b) ₹300 (c) ₹200 (d) ₹100
12. 12.The simple interest on ₹6000 for 4 years is ₹2160. What is the rate per year? (a) 10% (b) 8% (c) 9% (d) 36%
13. 13.₹7500 is invested at 7% per year simple interest. What is the amount after 3 years? (a) ₹9600 (b) ₹9075 (c) ₹1575 (d) ₹8025
14. 14.What is the simple interest on ₹3500 at 9% per year for 4 years? (a) ₹1575 (b) ₹315 (c) ₹4760 (d) ₹1260
15. 15.₹1500 is invested at 7% per year simple interest. What is the amount after 4 years? (a) ₹1920 (b) ₹2025 (c) ₹420 (d) ₹1605
16. 16.What is the simple interest on ₹1500 at 6% per year for 5 years? (a) ₹90 (b) ₹1950 (c) ₹540 (d) ₹450
17. 17.₹4500 is invested at 11% per year simple interest. What is the amount after 4 years? (a) ₹1980 (b) ₹6975 (c) ₹6480 (d) ₹4995
18. 18.The simple interest on ₹6500 for 2 years is ₹780. What is the rate per year? (a) 7% (b) 5% (c) 6% (d) 12%
19. 19.What is the simple interest on ₹7500 at 5% per year for 4 years? (a) ₹375 (b) ₹1875 (c) ₹1500 (d) ₹9000
20. 20.What is the simple interest on ₹4000 at 11% per year for 5 years? (a) ₹2200 (b) ₹6200 (c) ₹2640 (d) ₹440
21. 21.In how many years will ₹3500 earn ₹350 simple interest at 5% per year? (a) 3 years (b) 2 years (c) 4 years (d) 1 year
22. 22.₹9500 is invested at 5% per year simple interest. What is the amount after 5 years? (a) ₹11875 (b) ₹12350 (c) ₹9975 (d) ₹2375
23. 23.In how many years will ₹8500 earn ₹1360 simple interest at 8% per year? (a) 1 year (b) 2 years (c) 4 years (d) 3 years
24. 24.₹8500 is invested at 4% per year simple interest. What is the amount after 3 years? (a) ₹1020 (b) ₹9520 (c) ₹8840 (d) ₹9860
25. 25.The simple interest on ₹5000 for 5 years is ₹1750. What is the rate per year? (a) 35% (b) 7% (c) 8% (d) 6%
26. 26.The simple interest on ₹6000 for 3 years is ₹1080. What is the rate per year? (a) 6% (b) 18% (c) 7% (d) 5%
27. 27.The simple interest on ₹5000 for 5 years is ₹500. What is the rate per year? (a) 3% (b) 10% (c) 1% (d) 2%
28. 28.What is the simple interest on ₹5000 at 12% per year for 4 years? (a) ₹7400 (b) ₹3000 (c) ₹600 (d) ₹2400
29. 29.What is the simple interest on ₹6500 at 6% per year for 5 years? (a) ₹1950 (b) ₹2340 (c) ₹8450 (d) ₹390
30. 30.₹4500 is invested at 10% per year simple interest. What is the amount after 2 years? (a) ₹5850 (b) ₹4950 (c) ₹5400 (d) ₹900
31. 31.What is the simple interest on ₹5500 at 3% per year for 3 years? (a) ₹165 (b) ₹660 (c) ₹5995 (d) ₹495
32. 32.In how many years will ₹1500 earn ₹180 simple interest at 6% per year? (a) 2 years (b) 3 years (c) 1 year (d) 4 years
33. 33.₹1000 is invested at 11% per year simple interest. What is the amount after 3 years? (a) ₹1110 (b) ₹1330 (c) ₹1440 (d) ₹330
34. 34.What is the simple interest on ₹3500 at 3% per year for 5 years? (a) ₹525 (b) ₹630 (c) ₹105 (d) ₹4025
35. 35.In how many years will ₹6000 earn ₹1320 simple interest at 11% per year? (a) 2 years (b) 3 years (c) 4 years (d) 1 year
36. 36.The simple interest on ₹7000 for 5 years is ₹3500. What is the rate per year? (a) 9% (b) 50% (c) 11% (d) 10%
37. 37.What is the simple interest on ₹8500 at 12% per year for 4 years? (a) ₹5100 (b) ₹4080 (c) ₹12580 (d) ₹1020
38. 38.The simple interest on ₹2000 for 3 years is ₹240. What is the rate per year? (a) 12% (b) 3% (c) 4% (d) 5%
39. 39.The simple interest on ₹1000 for 3 years is ₹180. What is the rate per year? (a) 18% (b) 7% (c) 5% (d) 6%
40. 40.In how many years will ₹5000 earn ₹750 simple interest at 3% per year? (a) 10 years (b) 4 years (c) 5 years (d) 6 years

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