Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 710 · 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.₹1000 is invested at 9% per year simple interest. What is the amount after 5 years? (a) ₹1450 (b) ₹1090 (c) ₹450 (d) ₹1540
2. 2.In how many years will ₹3500 earn ₹945 simple interest at 9% per year? (a) 4 years (b) 6 years (c) 2 years (d) 3 years
3. 3.The simple interest on ₹6500 for 2 years is ₹650. What is the rate per year? (a) 6% (b) 4% (c) 10% (d) 5%
4. 4.The simple interest on ₹6000 for 4 years is ₹1200. What is the rate per year? (a) 5% (b) 20% (c) 4% (d) 6%
5. 5.What is the simple interest on ₹3000 at 11% per year for 4 years? (a) ₹4320 (b) ₹1650 (c) ₹1320 (d) ₹330
6. 6.In how many years will ₹3000 earn ₹1080 simple interest at 12% per year? (a) 2 years (b) 4 years (c) 6 years (d) 3 years
7. 7.₹10000 is invested at 11% per year simple interest. What is the amount after 3 years? (a) ₹14400 (b) ₹3300 (c) ₹13300 (d) ₹11100
8. 8.The simple interest on ₹3500 for 4 years is ₹700. What is the rate per year? (a) 6% (b) 5% (c) 20% (d) 4%
9. 9.What is the simple interest on ₹8000 at 12% per year for 2 years? (a) ₹2880 (b) ₹1920 (c) ₹9920 (d) ₹960
10. 10.What is the simple interest on ₹9500 at 12% per year for 4 years? (a) ₹1140 (b) ₹4560 (c) ₹5700 (d) ₹14060
11. 11.₹3500 is invested at 9% per year simple interest. What is the amount after 3 years? (a) ₹4445 (b) ₹4760 (c) ₹3815 (d) ₹945
12. 12.What is the simple interest on ₹1000 at 2% per year for 5 years? (a) ₹1100 (b) ₹20 (c) ₹100 (d) ₹120
13. 13.The simple interest on ₹7500 for 2 years is ₹1350. What is the rate per year? (a) 18% (b) 8% (c) 9% (d) 10%
14. 14.₹5500 is invested at 9% per year simple interest. What is the amount after 3 years? (a) ₹6985 (b) ₹5995 (c) ₹7480 (d) ₹1485
15. 15.The simple interest on ₹3500 for 3 years is ₹840. What is the rate per year? (a) 24% (b) 9% (c) 8% (d) 7%
16. 16.₹7500 is invested at 2% per year simple interest. What is the amount after 3 years? (a) ₹7650 (b) ₹8100 (c) ₹450 (d) ₹7950
17. 17.What is the simple interest on ₹1500 at 4% per year for 2 years? (a) ₹60 (b) ₹1620 (c) ₹120 (d) ₹180
18. 18.In how many years will ₹2500 earn ₹800 simple interest at 8% per year? (a) 5 years (b) 8 years (c) 3 years (d) 4 years
19. 19.What is the simple interest on ₹10000 at 3% per year for 2 years? (a) ₹10600 (b) ₹600 (c) ₹300 (d) ₹900
20. 20.₹1000 is invested at 9% per year simple interest. What is the amount after 3 years? (a) ₹1270 (b) ₹1360 (c) ₹270 (d) ₹1090
21. 21.₹7500 is invested at 10% per year simple interest. What is the amount after 5 years? (a) ₹3750 (b) ₹12000 (c) ₹8250 (d) ₹11250
22. 22.₹5000 is invested at 10% per year simple interest. What is the amount after 4 years? (a) ₹5500 (b) ₹7500 (c) ₹7000 (d) ₹2000
23. 23.What is the simple interest on ₹8000 at 11% per year for 5 years? (a) ₹5280 (b) ₹4400 (c) ₹880 (d) ₹12400
24. 24.What is the simple interest on ₹6000 at 12% per year for 2 years? (a) ₹7440 (b) ₹2160 (c) ₹720 (d) ₹1440
25. 25.₹1000 is invested at 3% per year simple interest. What is the amount after 5 years? (a) ₹150 (b) ₹1030 (c) ₹1180 (d) ₹1150
26. 26.The simple interest on ₹10000 for 3 years is ₹1800. What is the rate per year? (a) 18% (b) 6% (c) 5% (d) 7%
27. 27.The simple interest on ₹6500 for 2 years is ₹260. What is the rate per year? (a) 1% (b) 3% (c) 2% (d) 4%
28. 28.What is the simple interest on ₹7500 at 5% per year for 2 years? (a) ₹375 (b) ₹1125 (c) ₹8250 (d) ₹750
29. 29.In how many years will ₹1500 earn ₹495 simple interest at 11% per year? (a) 2 years (b) 4 years (c) 6 years (d) 3 years
30. 30.What is the simple interest on ₹8500 at 5% per year for 5 years? (a) ₹2550 (b) ₹2125 (c) ₹425 (d) ₹10625
31. 31.In how many years will ₹4500 earn ₹675 simple interest at 5% per year? (a) 2 years (b) 3 years (c) 4 years (d) 6 years
32. 32.₹2000 is invested at 9% per year simple interest. What is the amount after 2 years? (a) ₹2180 (b) ₹2540 (c) ₹2360 (d) ₹360
33. 33.What is the simple interest on ₹10000 at 8% per year for 5 years? (a) ₹4800 (b) ₹800 (c) ₹4000 (d) ₹14000
34. 34.What is the simple interest on ₹3000 at 11% per year for 3 years? (a) ₹990 (b) ₹3990 (c) ₹1320 (d) ₹330
35. 35.In how many years will ₹2500 earn ₹625 simple interest at 5% per year? (a) 10 years (b) 4 years (c) 5 years (d) 6 years
36. 36.In how many years will ₹5000 earn ₹1250 simple interest at 5% per year? (a) 5 years (b) 6 years (c) 4 years (d) 10 years
37. 37.In how many years will ₹9500 earn ₹2565 simple interest at 9% per year? (a) 4 years (b) 6 years (c) 3 years (d) 2 years
38. 38.In how many years will ₹10000 earn ₹2100 simple interest at 7% per year? (a) 4 years (b) 3 years (c) 6 years (d) 2 years
39. 39.₹3500 is invested at 6% per year simple interest. What is the amount after 5 years? (a) ₹3710 (b) ₹4550 (c) ₹4760 (d) ₹1050
40. 40.The simple interest on ₹2500 for 5 years is ₹625. What is the rate per year? (a) 25% (b) 5% (c) 6% (d) 4%

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