Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 946 · 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 ₹4500 at 8% per year for 2 years? (a) ₹360 (b) ₹5220 (c) ₹1080 (d) ₹720
2. 2.The simple interest on ₹1500 for 3 years is ₹540. What is the rate per year? (a) 36% (b) 13% (c) 11% (d) 12%
3. 3.In how many years will ₹8000 earn ₹960 simple interest at 3% per year? (a) 4 years (b) 3 years (c) 8 years (d) 5 years
4. 4.The simple interest on ₹8000 for 5 years is ₹4000. What is the rate per year? (a) 11% (b) 50% (c) 10% (d) 9%
5. 5.What is the simple interest on ₹2500 at 8% per year for 3 years? (a) ₹200 (b) ₹3100 (c) ₹600 (d) ₹800
6. 6.What is the simple interest on ₹4000 at 5% per year for 5 years? (a) ₹200 (b) ₹1200 (c) ₹5000 (d) ₹1000
7. 7.What is the simple interest on ₹4000 at 9% per year for 3 years? (a) ₹1440 (b) ₹1080 (c) ₹360 (d) ₹5080
8. 8.What is the simple interest on ₹7000 at 9% per year for 4 years? (a) ₹9520 (b) ₹630 (c) ₹2520 (d) ₹3150
9. 9.₹7000 is invested at 11% per year simple interest. What is the amount after 4 years? (a) ₹7770 (b) ₹10080 (c) ₹10850 (d) ₹3080
10. 10.The simple interest on ₹2500 for 4 years is ₹500. What is the rate per year? (a) 20% (b) 5% (c) 6% (d) 4%
11. 11.The simple interest on ₹3000 for 3 years is ₹990. What is the rate per year? (a) 10% (b) 12% (c) 33% (d) 11%
12. 12.The simple interest on ₹8000 for 2 years is ₹960. What is the rate per year? (a) 6% (b) 7% (c) 12% (d) 5%
13. 13.₹5000 is invested at 11% per year simple interest. What is the amount after 2 years? (a) ₹5550 (b) ₹6100 (c) ₹6650 (d) ₹1100
14. 14.₹7500 is invested at 4% per year simple interest. What is the amount after 4 years? (a) ₹1200 (b) ₹9000 (c) ₹7800 (d) ₹8700
15. 15.In how many years will ₹6500 earn ₹2080 simple interest at 8% per year? (a) 3 years (b) 4 years (c) 8 years (d) 5 years
16. 16.What is the simple interest on ₹4000 at 11% per year for 2 years? (a) ₹1320 (b) ₹440 (c) ₹4880 (d) ₹880
17. 17.What is the simple interest on ₹5500 at 8% per year for 4 years? (a) ₹2200 (b) ₹440 (c) ₹7260 (d) ₹1760
18. 18.₹3000 is invested at 3% per year simple interest. What is the amount after 3 years? (a) ₹270 (b) ₹3090 (c) ₹3360 (d) ₹3270
19. 19.In how many years will ₹5000 earn ₹300 simple interest at 3% per year? (a) 2 years (b) 1 year (c) 3 years (d) 4 years
20. 20.₹10000 is invested at 4% per year simple interest. What is the amount after 3 years? (a) ₹11200 (b) ₹1200 (c) ₹10400 (d) ₹11600
21. 21.₹4500 is invested at 5% per year simple interest. What is the amount after 2 years? (a) ₹4950 (b) ₹450 (c) ₹4725 (d) ₹5175
22. 22.₹9500 is invested at 2% per year simple interest. What is the amount after 5 years? (a) ₹9690 (b) ₹950 (c) ₹10640 (d) ₹10450
23. 23.In how many years will ₹1500 earn ₹300 simple interest at 4% per year? (a) 5 years (b) 4 years (c) 10 years (d) 6 years
24. 24.What is the simple interest on ₹8500 at 5% per year for 4 years? (a) ₹1700 (b) ₹2125 (c) ₹10200 (d) ₹425
25. 25.In how many years will ₹9000 earn ₹2430 simple interest at 9% per year? (a) 6 years (b) 2 years (c) 4 years (d) 3 years
26. 26.What is the simple interest on ₹3000 at 4% per year for 2 years? (a) ₹240 (b) ₹3240 (c) ₹120 (d) ₹360
27. 27.In how many years will ₹7000 earn ₹1400 simple interest at 10% per year? (a) 1 year (b) 3 years (c) 4 years (d) 2 years
28. 28.The simple interest on ₹7000 for 4 years is ₹3360. What is the rate per year? (a) 12% (b) 11% (c) 13% (d) 48%
29. 29.What is the simple interest on ₹6000 at 7% per year for 4 years? (a) ₹7680 (b) ₹420 (c) ₹2100 (d) ₹1680
30. 30.What is the simple interest on ₹3000 at 6% per year for 5 years? (a) ₹3900 (b) ₹1080 (c) ₹180 (d) ₹900
31. 31.What is the simple interest on ₹6500 at 8% per year for 3 years? (a) ₹520 (b) ₹8060 (c) ₹2080 (d) ₹1560
32. 32.In how many years will ₹2000 earn ₹360 simple interest at 6% per year? (a) 4 years (b) 3 years (c) 6 years (d) 2 years
33. 33.₹5500 is invested at 8% per year simple interest. What is the amount after 2 years? (a) ₹5940 (b) ₹880 (c) ₹6820 (d) ₹6380
34. 34.The simple interest on ₹3000 for 2 years is ₹300. What is the rate per year? (a) 10% (b) 4% (c) 5% (d) 6%
35. 35.What is the simple interest on ₹9000 at 6% per year for 2 years? (a) ₹1620 (b) ₹10080 (c) ₹540 (d) ₹1080
36. 36.What is the simple interest on ₹4000 at 9% per year for 2 years? (a) ₹360 (b) ₹1080 (c) ₹4720 (d) ₹720
37. 37.In how many years will ₹1500 earn ₹150 simple interest at 2% per year? (a) 5 years (b) 6 years (c) 4 years (d) 10 years
38. 38.The simple interest on ₹5500 for 2 years is ₹220. What is the rate per year? (a) 4% (b) 1% (c) 3% (d) 2%
39. 39.₹5500 is invested at 9% per year simple interest. What is the amount after 4 years? (a) ₹1980 (b) ₹5995 (c) ₹7480 (d) ₹7975
40. 40.The simple interest on ₹4000 for 4 years is ₹1920. What is the rate per year? (a) 48% (b) 13% (c) 11% (d) 12%

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