Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 267 · 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 ₹7000 for 5 years is ₹3150. What is the rate per year? (a) 9% (b) 8% (c) 45% (d) 10%
2. 2.₹8500 is invested at 6% per year simple interest. What is the amount after 4 years? (a) ₹11050 (b) ₹9010 (c) ₹2040 (d) ₹10540
3. 3.What is the simple interest on ₹3500 at 10% per year for 2 years? (a) ₹350 (b) ₹4200 (c) ₹700 (d) ₹1050
4. 4.What is the simple interest on ₹7000 at 10% per year for 4 years? (a) ₹700 (b) ₹2800 (c) ₹3500 (d) ₹9800
5. 5.The simple interest on ₹4500 for 2 years is ₹360. What is the rate per year? (a) 4% (b) 8% (c) 3% (d) 5%
6. 6.₹9500 is invested at 4% per year simple interest. What is the amount after 3 years? (a) ₹11020 (b) ₹10640 (c) ₹1140 (d) ₹9880
7. 7.What is the simple interest on ₹10000 at 7% per year for 3 years? (a) ₹2100 (b) ₹700 (c) ₹2800 (d) ₹12100
8. 8.In how many years will ₹9500 earn ₹1900 simple interest at 10% per year? (a) 4 years (b) 2 years (c) 1 year (d) 3 years
9. 9.In how many years will ₹2000 earn ₹1000 simple interest at 10% per year? (a) 6 years (b) 5 years (c) 4 years (d) 10 years
10. 10.₹1000 is invested at 5% per year simple interest. What is the amount after 3 years? (a) ₹1150 (b) ₹150 (c) ₹1200 (d) ₹1050
11. 11.₹7500 is invested at 8% per year simple interest. What is the amount after 2 years? (a) ₹8100 (b) ₹1200 (c) ₹9300 (d) ₹8700
12. 12.What is the simple interest on ₹9500 at 12% per year for 2 years? (a) ₹11780 (b) ₹1140 (c) ₹3420 (d) ₹2280
13. 13.The simple interest on ₹8000 for 2 years is ₹1760. What is the rate per year? (a) 22% (b) 10% (c) 11% (d) 12%
14. 14.In how many years will ₹9500 earn ₹3800 simple interest at 8% per year? (a) 5 years (b) 10 years (c) 4 years (d) 6 years
15. 15.The simple interest on ₹6500 for 5 years is ₹975. What is the rate per year? (a) 4% (b) 15% (c) 3% (d) 2%
16. 16.What is the simple interest on ₹1000 at 4% per year for 4 years? (a) ₹160 (b) ₹1160 (c) ₹40 (d) ₹200
17. 17.The simple interest on ₹1500 for 5 years is ₹825. What is the rate per year? (a) 10% (b) 11% (c) 12% (d) 55%
18. 18.In how many years will ₹6500 earn ₹390 simple interest at 2% per year? (a) 4 years (b) 2 years (c) 3 years (d) 6 years
19. 19.What is the simple interest on ₹4000 at 11% per year for 5 years? (a) ₹2640 (b) ₹6200 (c) ₹2200 (d) ₹440
20. 20.In how many years will ₹2000 earn ₹160 simple interest at 4% per year? (a) 4 years (b) 1 year (c) 3 years (d) 2 years
21. 21.₹1000 is invested at 12% per year simple interest. What is the amount after 3 years? (a) ₹1120 (b) ₹360 (c) ₹1480 (d) ₹1360
22. 22.In how many years will ₹6500 earn ₹1365 simple interest at 7% per year? (a) 4 years (b) 3 years (c) 2 years (d) 6 years
23. 23.The simple interest on ₹6000 for 2 years is ₹240. What is the rate per year? (a) 3% (b) 1% (c) 4% (d) 2%
24. 24.What is the simple interest on ₹6000 at 6% per year for 2 years? (a) ₹720 (b) ₹1080 (c) ₹360 (d) ₹6720
25. 25.What is the simple interest on ₹1500 at 2% per year for 5 years? (a) ₹180 (b) ₹1650 (c) ₹30 (d) ₹150
26. 26.In how many years will ₹4500 earn ₹900 simple interest at 5% per year? (a) 3 years (b) 8 years (c) 5 years (d) 4 years
27. 27.In how many years will ₹2500 earn ₹1125 simple interest at 9% per year? (a) 4 years (b) 10 years (c) 5 years (d) 6 years
28. 28.In how many years will ₹7500 earn ₹1650 simple interest at 11% per year? (a) 4 years (b) 1 year (c) 2 years (d) 3 years
29. 29.In how many years will ₹6500 earn ₹1170 simple interest at 6% per year? (a) 6 years (b) 2 years (c) 4 years (d) 3 years
30. 30.What is the simple interest on ₹2000 at 6% per year for 4 years? (a) ₹120 (b) ₹600 (c) ₹480 (d) ₹2480
31. 31.₹2000 is invested at 9% per year simple interest. What is the amount after 2 years? (a) ₹2540 (b) ₹2360 (c) ₹360 (d) ₹2180
32. 32.₹1500 is invested at 2% per year simple interest. What is the amount after 3 years? (a) ₹1620 (b) ₹1530 (c) ₹1590 (d) ₹90
33. 33.In how many years will ₹4500 earn ₹1080 simple interest at 8% per year? (a) 6 years (b) 2 years (c) 3 years (d) 4 years
34. 34.₹4500 is invested at 2% per year simple interest. What is the amount after 3 years? (a) ₹4770 (b) ₹270 (c) ₹4860 (d) ₹4590
35. 35.₹8500 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹510 (b) ₹8755 (c) ₹9265 (d) ₹9010
36. 36.What is the simple interest on ₹2000 at 7% per year for 5 years? (a) ₹2700 (b) ₹140 (c) ₹840 (d) ₹700
37. 37.What is the simple interest on ₹4500 at 8% per year for 4 years? (a) ₹360 (b) ₹5940 (c) ₹1800 (d) ₹1440
38. 38.In how many years will ₹9500 earn ₹760 simple interest at 2% per year? (a) 5 years (b) 3 years (c) 4 years (d) 8 years
39. 39.₹1500 is invested at 2% per year simple interest. What is the amount after 4 years? (a) ₹1620 (b) ₹1650 (c) ₹120 (d) ₹1530
40. 40.What is the simple interest on ₹3500 at 9% per year for 4 years? (a) ₹1260 (b) ₹1575 (c) ₹4760 (d) ₹315

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