Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 888 · 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 ₹4500 for 2 years is ₹630. What is the rate per year? (a) 14% (b) 8% (c) 6% (d) 7%
2. 2.In how many years will ₹5000 earn ₹300 simple interest at 3% per year? (a) 3 years (b) 4 years (c) 2 years (d) 1 year
3. 3.In how many years will ₹5500 earn ₹1100 simple interest at 4% per year? (a) 4 years (b) 5 years (c) 6 years (d) 10 years
4. 4.What is the simple interest on ₹9500 at 6% per year for 5 years? (a) ₹3420 (b) ₹570 (c) ₹2850 (d) ₹12350
5. 5.In how many years will ₹6500 earn ₹975 simple interest at 3% per year? (a) 5 years (b) 4 years (c) 10 years (d) 6 years
6. 6.What is the simple interest on ₹5000 at 5% per year for 3 years? (a) ₹750 (b) ₹250 (c) ₹1000 (d) ₹5750
7. 7.In how many years will ₹9000 earn ₹4320 simple interest at 12% per year? (a) 8 years (b) 3 years (c) 4 years (d) 5 years
8. 8.The simple interest on ₹10000 for 2 years is ₹1400. What is the rate per year? (a) 6% (b) 8% (c) 7% (d) 14%
9. 9.₹3000 is invested at 12% per year simple interest. What is the amount after 4 years? (a) ₹1440 (b) ₹4440 (c) ₹3360 (d) ₹4800
10. 10.In how many years will ₹9000 earn ₹720 simple interest at 2% per year? (a) 4 years (b) 3 years (c) 8 years (d) 5 years
11. 11.The simple interest on ₹8000 for 2 years is ₹1440. What is the rate per year? (a) 10% (b) 8% (c) 9% (d) 18%
12. 12.The simple interest on ₹6500 for 2 years is ₹1040. What is the rate per year? (a) 16% (b) 9% (c) 8% (d) 7%
13. 13.₹7500 is invested at 5% per year simple interest. What is the amount after 2 years? (a) ₹7875 (b) ₹8250 (c) ₹8625 (d) ₹750
14. 14.What is the simple interest on ₹8500 at 6% per year for 3 years? (a) ₹510 (b) ₹10030 (c) ₹2040 (d) ₹1530
15. 15.What is the simple interest on ₹10000 at 7% per year for 3 years? (a) ₹2800 (b) ₹12100 (c) ₹700 (d) ₹2100
16. 16.In how many years will ₹5500 earn ₹1650 simple interest at 10% per year? (a) 3 years (b) 6 years (c) 2 years (d) 4 years
17. 17.In how many years will ₹3500 earn ₹1540 simple interest at 11% per year? (a) 3 years (b) 8 years (c) 5 years (d) 4 years
18. 18.In how many years will ₹3500 earn ₹1400 simple interest at 10% per year? (a) 3 years (b) 4 years (c) 8 years (d) 5 years
19. 19.₹2000 is invested at 12% per year simple interest. What is the amount after 5 years? (a) ₹2240 (b) ₹1200 (c) ₹3440 (d) ₹3200
20. 20.In how many years will ₹3000 earn ₹240 simple interest at 2% per year? (a) 3 years (b) 8 years (c) 4 years (d) 5 years
21. 21.The simple interest on ₹3000 for 3 years is ₹180. What is the rate per year? (a) 6% (b) 1% (c) 3% (d) 2%
22. 22.₹1500 is invested at 2% per year simple interest. What is the amount after 3 years? (a) ₹90 (b) ₹1590 (c) ₹1530 (d) ₹1620
23. 23.The simple interest on ₹5000 for 2 years is ₹700. What is the rate per year? (a) 8% (b) 7% (c) 14% (d) 6%
24. 24.₹7500 is invested at 12% per year simple interest. What is the amount after 2 years? (a) ₹10200 (b) ₹1800 (c) ₹8400 (d) ₹9300
25. 25.₹3000 is invested at 6% per year simple interest. What is the amount after 2 years? (a) ₹3540 (b) ₹360 (c) ₹3180 (d) ₹3360
26. 26.The simple interest on ₹5000 for 5 years is ₹500. What is the rate per year? (a) 3% (b) 1% (c) 2% (d) 10%
27. 27.The simple interest on ₹6500 for 4 years is ₹2600. What is the rate per year? (a) 11% (b) 40% (c) 9% (d) 10%
28. 28.₹7000 is invested at 8% per year simple interest. What is the amount after 5 years? (a) ₹10360 (b) ₹7560 (c) ₹2800 (d) ₹9800
29. 29.In how many years will ₹2000 earn ₹240 simple interest at 3% per year? (a) 8 years (b) 5 years (c) 4 years (d) 3 years
30. 30.What is the simple interest on ₹1500 at 9% per year for 2 years? (a) ₹405 (b) ₹135 (c) ₹270 (d) ₹1770
31. 31.What is the simple interest on ₹2500 at 2% per year for 4 years? (a) ₹2700 (b) ₹200 (c) ₹50 (d) ₹250
32. 32.What is the simple interest on ₹3500 at 7% per year for 4 years? (a) ₹1225 (b) ₹980 (c) ₹4480 (d) ₹245
33. 33.₹5500 is invested at 3% per year simple interest. What is the amount after 5 years? (a) ₹5665 (b) ₹825 (c) ₹6325 (d) ₹6490
34. 34.In how many years will ₹10000 earn ₹2800 simple interest at 7% per year? (a) 5 years (b) 3 years (c) 8 years (d) 4 years
35. 35.₹6500 is invested at 6% per year simple interest. What is the amount after 3 years? (a) ₹1170 (b) ₹7670 (c) ₹8060 (d) ₹6890
36. 36.The simple interest on ₹8500 for 2 years is ₹1530. What is the rate per year? (a) 18% (b) 9% (c) 8% (d) 10%
37. 37.The simple interest on ₹5000 for 5 years is ₹1250. What is the rate per year? (a) 25% (b) 4% (c) 5% (d) 6%
38. 38.What is the simple interest on ₹3000 at 10% per year for 3 years? (a) ₹300 (b) ₹1200 (c) ₹900 (d) ₹3900
39. 39.₹6500 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹7020 (b) ₹6760 (c) ₹7280 (d) ₹520
40. 40.What is the simple interest on ₹3500 at 8% per year for 4 years? (a) ₹280 (b) ₹1120 (c) ₹4620 (d) ₹1400

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