Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 743 · 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 ₹7000 at 5% per year for 2 years? (a) ₹350 (b) ₹700 (c) ₹1050 (d) ₹7700
2. 2.₹10000 is invested at 7% per year simple interest. What is the amount after 5 years? (a) ₹14200 (b) ₹10700 (c) ₹13500 (d) ₹3500
3. 3.₹7500 is invested at 9% per year simple interest. What is the amount after 5 years? (a) ₹11550 (b) ₹10875 (c) ₹3375 (d) ₹8175
4. 4.What is the simple interest on ₹2500 at 9% per year for 4 years? (a) ₹900 (b) ₹225 (c) ₹3400 (d) ₹1125
5. 5.₹2000 is invested at 3% per year simple interest. What is the amount after 4 years? (a) ₹2300 (b) ₹2060 (c) ₹2240 (d) ₹240
6. 6.In how many years will ₹6000 earn ₹600 simple interest at 5% per year? (a) 2 years (b) 4 years (c) 3 years (d) 1 year
7. 7.What is the simple interest on ₹7500 at 10% per year for 4 years? (a) ₹3000 (b) ₹750 (c) ₹3750 (d) ₹10500
8. 8.What is the simple interest on ₹10000 at 6% per year for 3 years? (a) ₹11800 (b) ₹1800 (c) ₹2400 (d) ₹600
9. 9.What is the simple interest on ₹7500 at 11% per year for 5 years? (a) ₹4125 (b) ₹825 (c) ₹11625 (d) ₹4950
10. 10.The simple interest on ₹8000 for 3 years is ₹960. What is the rate per year? (a) 5% (b) 12% (c) 4% (d) 3%
11. 11.The simple interest on ₹8500 for 5 years is ₹2550. What is the rate per year? (a) 5% (b) 30% (c) 6% (d) 7%
12. 12.What is the simple interest on ₹8000 at 10% per year for 5 years? (a) ₹4800 (b) ₹800 (c) ₹4000 (d) ₹12000
13. 13.₹3000 is invested at 3% per year simple interest. What is the amount after 5 years? (a) ₹3090 (b) ₹3540 (c) ₹450 (d) ₹3450
14. 14.What is the simple interest on ₹9500 at 2% per year for 2 years? (a) ₹9880 (b) ₹190 (c) ₹380 (d) ₹570
15. 15.₹6500 is invested at 12% per year simple interest. What is the amount after 5 years? (a) ₹11180 (b) ₹7280 (c) ₹3900 (d) ₹10400
16. 16.What is the simple interest on ₹4500 at 9% per year for 5 years? (a) ₹2430 (b) ₹405 (c) ₹2025 (d) ₹6525
17. 17.The simple interest on ₹5500 for 2 years is ₹440. What is the rate per year? (a) 8% (b) 3% (c) 4% (d) 5%
18. 18.₹9500 is invested at 4% per year simple interest. What is the amount after 3 years? (a) ₹11020 (b) ₹10640 (c) ₹9880 (d) ₹1140
19. 19.The simple interest on ₹10000 for 2 years is ₹1400. What is the rate per year? (a) 7% (b) 8% (c) 6% (d) 14%
20. 20.In how many years will ₹3000 earn ₹270 simple interest at 3% per year? (a) 3 years (b) 4 years (c) 6 years (d) 2 years
21. 21.What is the simple interest on ₹3000 at 12% per year for 2 years? (a) ₹1080 (b) ₹3720 (c) ₹720 (d) ₹360
22. 22.What is the simple interest on ₹8000 at 3% per year for 4 years? (a) ₹8960 (b) ₹240 (c) ₹960 (d) ₹1200
23. 23.What is the simple interest on ₹8500 at 2% per year for 3 years? (a) ₹9010 (b) ₹170 (c) ₹510 (d) ₹680
24. 24.The simple interest on ₹4000 for 3 years is ₹720. What is the rate per year? (a) 7% (b) 5% (c) 18% (d) 6%
25. 25.What is the simple interest on ₹10000 at 11% per year for 2 years? (a) ₹12200 (b) ₹2200 (c) ₹3300 (d) ₹1100
26. 26.₹2000 is invested at 9% per year simple interest. What is the amount after 2 years? (a) ₹360 (b) ₹2360 (c) ₹2540 (d) ₹2180
27. 27.₹7500 is invested at 3% per year simple interest. What is the amount after 3 years? (a) ₹8400 (b) ₹675 (c) ₹8175 (d) ₹7725
28. 28.The simple interest on ₹1000 for 5 years is ₹200. What is the rate per year? (a) 3% (b) 4% (c) 20% (d) 5%
29. 29.In how many years will ₹4000 earn ₹480 simple interest at 6% per year? (a) 1 year (b) 3 years (c) 4 years (d) 2 years
30. 30.What is the simple interest on ₹8500 at 9% per year for 3 years? (a) ₹10795 (b) ₹3060 (c) ₹2295 (d) ₹765
31. 31.In how many years will ₹9500 earn ₹5700 simple interest at 12% per year? (a) 5 years (b) 4 years (c) 6 years (d) 10 years
32. 32.The simple interest on ₹8000 for 2 years is ₹800. What is the rate per year? (a) 10% (b) 5% (c) 6% (d) 4%
33. 33.What is the simple interest on ₹7000 at 9% per year for 5 years? (a) ₹3780 (b) ₹3150 (c) ₹630 (d) ₹10150
34. 34.What is the simple interest on ₹5000 at 6% per year for 4 years? (a) ₹1200 (b) ₹6200 (c) ₹300 (d) ₹1500
35. 35.In how many years will ₹9000 earn ₹4320 simple interest at 12% per year? (a) 4 years (b) 8 years (c) 5 years (d) 3 years
36. 36.What is the simple interest on ₹8000 at 7% per year for 4 years? (a) ₹2800 (b) ₹10240 (c) ₹2240 (d) ₹560
37. 37.In how many years will ₹1500 earn ₹360 simple interest at 6% per year? (a) 3 years (b) 4 years (c) 8 years (d) 5 years
38. 38.The simple interest on ₹5500 for 3 years is ₹495. What is the rate per year? (a) 4% (b) 2% (c) 9% (d) 3%
39. 39.The simple interest on ₹5000 for 2 years is ₹400. What is the rate per year? (a) 8% (b) 3% (c) 4% (d) 5%
40. 40.In how many years will ₹9000 earn ₹1800 simple interest at 4% per year? (a) 6 years (b) 4 years (c) 10 years (d) 5 years

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