Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 460 · 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 ₹6000 for 4 years is ₹2400. What is the rate per year? (a) 10% (b) 9% (c) 40% (d) 11%
2. 2.What is the simple interest on ₹1500 at 2% per year for 3 years? (a) ₹30 (b) ₹90 (c) ₹1590 (d) ₹120
3. 3.The simple interest on ₹5500 for 3 years is ₹1485. What is the rate per year? (a) 10% (b) 9% (c) 8% (d) 27%
4. 4.In how many years will ₹5000 earn ₹1200 simple interest at 8% per year? (a) 4 years (b) 3 years (c) 6 years (d) 2 years
5. 5.In how many years will ₹9500 earn ₹2280 simple interest at 6% per year? (a) 3 years (b) 5 years (c) 4 years (d) 8 years
6. 6.What is the simple interest on ₹5000 at 11% per year for 2 years? (a) ₹1650 (b) ₹1100 (c) ₹550 (d) ₹6100
7. 7.What is the simple interest on ₹10000 at 9% per year for 5 years? (a) ₹900 (b) ₹5400 (c) ₹4500 (d) ₹14500
8. 8.The simple interest on ₹9500 for 5 years is ₹950. What is the rate per year? (a) 2% (b) 1% (c) 3% (d) 10%
9. 9.What is the simple interest on ₹4000 at 5% per year for 4 years? (a) ₹1000 (b) ₹200 (c) ₹800 (d) ₹4800
10. 10.In how many years will ₹2500 earn ₹1500 simple interest at 12% per year? (a) 4 years (b) 5 years (c) 10 years (d) 6 years
11. 11.What is the simple interest on ₹3500 at 10% per year for 2 years? (a) ₹1050 (b) ₹350 (c) ₹4200 (d) ₹700
12. 12.What is the simple interest on ₹1000 at 5% per year for 3 years? (a) ₹1150 (b) ₹150 (c) ₹200 (d) ₹50
13. 13.In how many years will ₹6000 earn ₹600 simple interest at 2% per year? (a) 10 years (b) 6 years (c) 5 years (d) 4 years
14. 14.What is the simple interest on ₹1500 at 12% per year for 3 years? (a) ₹540 (b) ₹720 (c) ₹2040 (d) ₹180
15. 15.What is the simple interest on ₹2000 at 10% per year for 2 years? (a) ₹2400 (b) ₹600 (c) ₹200 (d) ₹400
16. 16.In how many years will ₹8500 earn ₹1360 simple interest at 8% per year? (a) 2 years (b) 1 year (c) 3 years (d) 4 years
17. 17.The simple interest on ₹6500 for 3 years is ₹1365. What is the rate per year? (a) 6% (b) 7% (c) 21% (d) 8%
18. 18.₹7500 is invested at 4% per year simple interest. What is the amount after 3 years? (a) ₹900 (b) ₹8400 (c) ₹7800 (d) ₹8700
19. 19.₹7000 is invested at 12% per year simple interest. What is the amount after 3 years? (a) ₹7840 (b) ₹9520 (c) ₹10360 (d) ₹2520
20. 20.The simple interest on ₹2500 for 4 years is ₹900. What is the rate per year? (a) 9% (b) 10% (c) 36% (d) 8%
21. 21.What is the simple interest on ₹4500 at 4% per year for 5 years? (a) ₹180 (b) ₹900 (c) ₹1080 (d) ₹5400
22. 22.The simple interest on ₹8500 for 5 years is ₹2975. What is the rate per year? (a) 35% (b) 8% (c) 6% (d) 7%
23. 23.₹5500 is invested at 11% per year simple interest. What is the amount after 2 years? (a) ₹6105 (b) ₹7315 (c) ₹6710 (d) ₹1210
24. 24.What is the simple interest on ₹3500 at 7% per year for 4 years? (a) ₹4480 (b) ₹980 (c) ₹1225 (d) ₹245
25. 25.What is the simple interest on ₹4000 at 2% per year for 4 years? (a) ₹320 (b) ₹80 (c) ₹4320 (d) ₹400
26. 26.In how many years will ₹9000 earn ₹810 simple interest at 3% per year? (a) 6 years (b) 2 years (c) 4 years (d) 3 years
27. 27.In how many years will ₹8500 earn ₹4675 simple interest at 11% per year? (a) 4 years (b) 5 years (c) 6 years (d) 10 years
28. 28.₹5000 is invested at 12% per year simple interest. What is the amount after 3 years? (a) ₹6800 (b) ₹7400 (c) ₹1800 (d) ₹5600
29. 29.What is the simple interest on ₹9000 at 7% per year for 2 years? (a) ₹10260 (b) ₹1890 (c) ₹630 (d) ₹1260
30. 30.₹7500 is invested at 10% per year simple interest. What is the amount after 4 years? (a) ₹8250 (b) ₹11250 (c) ₹3000 (d) ₹10500
31. 31.₹7000 is invested at 5% per year simple interest. What is the amount after 5 years? (a) ₹7350 (b) ₹9100 (c) ₹1750 (d) ₹8750
32. 32.In how many years will ₹3000 earn ₹480 simple interest at 4% per year? (a) 8 years (b) 3 years (c) 4 years (d) 5 years
33. 33.₹2500 is invested at 10% per year simple interest. What is the amount after 4 years? (a) ₹2750 (b) ₹3500 (c) ₹1000 (d) ₹3750
34. 34.What is the simple interest on ₹8500 at 7% per year for 5 years? (a) ₹11475 (b) ₹3570 (c) ₹595 (d) ₹2975
35. 35.₹9000 is invested at 11% per year simple interest. What is the amount after 3 years? (a) ₹12960 (b) ₹2970 (c) ₹11970 (d) ₹9990
36. 36.₹2000 is invested at 7% per year simple interest. What is the amount after 5 years? (a) ₹2140 (b) ₹2840 (c) ₹700 (d) ₹2700
37. 37.The simple interest on ₹9000 for 4 years is ₹1800. What is the rate per year? (a) 20% (b) 4% (c) 5% (d) 6%
38. 38.₹2500 is invested at 2% per year simple interest. What is the amount after 5 years? (a) ₹2800 (b) ₹2750 (c) ₹250 (d) ₹2550
39. 39.₹2500 is invested at 8% per year simple interest. What is the amount after 5 years? (a) ₹3700 (b) ₹2700 (c) ₹3500 (d) ₹1000
40. 40.The simple interest on ₹8500 for 5 years is ₹2125. What is the rate per year? (a) 6% (b) 25% (c) 4% (d) 5%

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