Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 8 · 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.In how many years will ₹5500 earn ₹1650 simple interest at 10% per year? (a) 6 years (b) 2 years (c) 4 years (d) 3 years
2. 2.₹5500 is invested at 2% per year simple interest. What is the amount after 3 years? (a) ₹330 (b) ₹5940 (c) ₹5610 (d) ₹5830
3. 3.The simple interest on ₹6000 for 5 years is ₹600. What is the rate per year? (a) 1% (b) 3% (c) 10% (d) 2%
4. 4.What is the simple interest on ₹8000 at 11% per year for 2 years? (a) ₹9760 (b) ₹880 (c) ₹1760 (d) ₹2640
5. 5.₹6000 is invested at 3% per year simple interest. What is the amount after 3 years? (a) ₹540 (b) ₹6540 (c) ₹6720 (d) ₹6180
6. 6.The simple interest on ₹4500 for 2 years is ₹900. What is the rate per year? (a) 9% (b) 11% (c) 20% (d) 10%
7. 7.In how many years will ₹7000 earn ₹700 simple interest at 5% per year? (a) 1 year (b) 4 years (c) 3 years (d) 2 years
8. 8.In how many years will ₹4000 earn ₹1600 simple interest at 10% per year? (a) 3 years (b) 8 years (c) 4 years (d) 5 years
9. 9.The simple interest on ₹7000 for 2 years is ₹980. What is the rate per year? (a) 6% (b) 7% (c) 8% (d) 14%
10. 10.What is the simple interest on ₹6500 at 11% per year for 2 years? (a) ₹2145 (b) ₹1430 (c) ₹715 (d) ₹7930
11. 11.The simple interest on ₹2000 for 4 years is ₹240. What is the rate per year? (a) 3% (b) 2% (c) 12% (d) 4%
12. 12.What is the simple interest on ₹9500 at 6% per year for 4 years? (a) ₹2850 (b) ₹2280 (c) ₹570 (d) ₹11780
13. 13.What is the simple interest on ₹3000 at 5% per year for 4 years? (a) ₹150 (b) ₹750 (c) ₹3600 (d) ₹600
14. 14.₹9500 is invested at 5% per year simple interest. What is the amount after 5 years? (a) ₹12350 (b) ₹11875 (c) ₹9975 (d) ₹2375
15. 15.What is the simple interest on ₹2500 at 11% per year for 2 years? (a) ₹825 (b) ₹550 (c) ₹275 (d) ₹3050
16. 16.₹7500 is invested at 3% per year simple interest. What is the amount after 4 years? (a) ₹8400 (b) ₹7725 (c) ₹8625 (d) ₹900
17. 17.₹10000 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹10600 (b) ₹600 (c) ₹10900 (d) ₹10300
18. 18.What is the simple interest on ₹8000 at 2% per year for 4 years? (a) ₹8640 (b) ₹800 (c) ₹640 (d) ₹160
19. 19.₹1000 is invested at 12% per year simple interest. What is the amount after 3 years? (a) ₹360 (b) ₹1480 (c) ₹1360 (d) ₹1120
20. 20.What is the simple interest on ₹2000 at 7% per year for 4 years? (a) ₹700 (b) ₹2560 (c) ₹560 (d) ₹140
21. 21.₹8500 is invested at 12% per year simple interest. What is the amount after 3 years? (a) ₹9520 (b) ₹12580 (c) ₹11560 (d) ₹3060
22. 22.In how many years will ₹6500 earn ₹2145 simple interest at 11% per year? (a) 4 years (b) 6 years (c) 2 years (d) 3 years
23. 23.In how many years will ₹1500 earn ₹150 simple interest at 2% per year? (a) 6 years (b) 4 years (c) 10 years (d) 5 years
24. 24.What is the simple interest on ₹3500 at 9% per year for 2 years? (a) ₹315 (b) ₹630 (c) ₹4130 (d) ₹945
25. 25.In how many years will ₹8000 earn ₹480 simple interest at 3% per year? (a) 2 years (b) 1 year (c) 3 years (d) 4 years
26. 26.What is the simple interest on ₹5000 at 7% per year for 3 years? (a) ₹1400 (b) ₹350 (c) ₹1050 (d) ₹6050
27. 27.₹4500 is invested at 4% per year simple interest. What is the amount after 4 years? (a) ₹4680 (b) ₹5220 (c) ₹720 (d) ₹5400
28. 28.What is the simple interest on ₹9500 at 10% per year for 2 years? (a) ₹11400 (b) ₹950 (c) ₹1900 (d) ₹2850
29. 29.In how many years will ₹9500 earn ₹1995 simple interest at 7% per year? (a) 2 years (b) 6 years (c) 3 years (d) 4 years
30. 30.The simple interest on ₹6000 for 5 years is ₹2100. What is the rate per year? (a) 7% (b) 6% (c) 8% (d) 35%
31. 31.In how many years will ₹3000 earn ₹1200 simple interest at 8% per year? (a) 6 years (b) 5 years (c) 4 years (d) 10 years
32. 32.The simple interest on ₹8500 for 2 years is ₹1530. What is the rate per year? (a) 8% (b) 10% (c) 9% (d) 18%
33. 33.In how many years will ₹2000 earn ₹480 simple interest at 12% per year? (a) 1 year (b) 3 years (c) 4 years (d) 2 years
34. 34.What is the simple interest on ₹9000 at 10% per year for 2 years? (a) ₹900 (b) ₹10800 (c) ₹1800 (d) ₹2700
35. 35.What is the simple interest on ₹3500 at 3% per year for 3 years? (a) ₹105 (b) ₹315 (c) ₹420 (d) ₹3815
36. 36.In how many years will ₹6000 earn ₹1200 simple interest at 10% per year? (a) 3 years (b) 1 year (c) 2 years (d) 4 years
37. 37.₹1000 is invested at 3% per year simple interest. What is the amount after 5 years? (a) ₹1180 (b) ₹1030 (c) ₹1150 (d) ₹150
38. 38.₹8500 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹8670 (b) ₹8840 (c) ₹340 (d) ₹9010
39. 39.What is the simple interest on ₹2500 at 10% per year for 3 years? (a) ₹3250 (b) ₹750 (c) ₹250 (d) ₹1000
40. 40.₹1500 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹1560 (b) ₹1620 (c) ₹1680 (d) ₹120

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