Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 530 · 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 ₹10000 earn ₹1000 simple interest at 5% per year? (a) 4 years (b) 1 year (c) 2 years (d) 3 years
2. 2.₹8500 is invested at 7% per year simple interest. What is the amount after 2 years? (a) ₹10285 (b) ₹1190 (c) ₹9690 (d) ₹9095
3. 3.What is the simple interest on ₹7500 at 3% per year for 4 years? (a) ₹225 (b) ₹1125 (c) ₹900 (d) ₹8400
4. 4.What is the simple interest on ₹3500 at 8% per year for 5 years? (a) ₹4900 (b) ₹280 (c) ₹1680 (d) ₹1400
5. 5.What is the simple interest on ₹8000 at 8% per year for 5 years? (a) ₹3200 (b) ₹3840 (c) ₹11200 (d) ₹640
6. 6.In how many years will ₹2000 earn ₹1100 simple interest at 11% per year? (a) 6 years (b) 4 years (c) 10 years (d) 5 years
7. 7.The simple interest on ₹4500 for 4 years is ₹1440. What is the rate per year? (a) 9% (b) 32% (c) 8% (d) 7%
8. 8.₹1000 is invested at 12% per year simple interest. What is the amount after 3 years? (a) ₹1480 (b) ₹1120 (c) ₹1360 (d) ₹360
9. 9.₹6500 is invested at 4% per year simple interest. What is the amount after 4 years? (a) ₹1040 (b) ₹7800 (c) ₹7540 (d) ₹6760
10. 10.In how many years will ₹8500 earn ₹680 simple interest at 4% per year? (a) 2 years (b) 1 year (c) 4 years (d) 3 years
11. 11.₹7500 is invested at 2% per year simple interest. What is the amount after 5 years? (a) ₹8400 (b) ₹8250 (c) ₹750 (d) ₹7650
12. 12.In how many years will ₹6000 earn ₹840 simple interest at 7% per year? (a) 4 years (b) 2 years (c) 3 years (d) 1 year
13. 13.₹9500 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹10260 (b) ₹9880 (c) ₹760 (d) ₹10640
14. 14.In how many years will ₹4500 earn ₹630 simple interest at 7% per year? (a) 3 years (b) 2 years (c) 4 years (d) 1 year
15. 15.What is the simple interest on ₹1500 at 9% per year for 3 years? (a) ₹1905 (b) ₹135 (c) ₹405 (d) ₹540
16. 16.What is the simple interest on ₹3500 at 11% per year for 5 years? (a) ₹2310 (b) ₹385 (c) ₹1925 (d) ₹5425
17. 17.In how many years will ₹1500 earn ₹90 simple interest at 3% per year? (a) 3 years (b) 1 year (c) 2 years (d) 4 years
18. 18.What is the simple interest on ₹3000 at 5% per year for 2 years? (a) ₹300 (b) ₹3300 (c) ₹150 (d) ₹450
19. 19.₹6000 is invested at 6% per year simple interest. What is the amount after 4 years? (a) ₹7440 (b) ₹1440 (c) ₹6360 (d) ₹7800
20. 20.₹3500 is invested at 2% per year simple interest. What is the amount after 3 years? (a) ₹3780 (b) ₹3570 (c) ₹210 (d) ₹3710
21. 21.₹6000 is invested at 6% per year simple interest. What is the amount after 2 years? (a) ₹6360 (b) ₹7080 (c) ₹6720 (d) ₹720
22. 22.₹3500 is invested at 11% per year simple interest. What is the amount after 5 years? (a) ₹1925 (b) ₹5810 (c) ₹3885 (d) ₹5425
23. 23.₹3500 is invested at 6% per year simple interest. What is the amount after 4 years? (a) ₹4550 (b) ₹4340 (c) ₹840 (d) ₹3710
24. 24.In how many years will ₹5000 earn ₹600 simple interest at 4% per year? (a) 6 years (b) 2 years (c) 4 years (d) 3 years
25. 25.In how many years will ₹3000 earn ₹900 simple interest at 10% per year? (a) 6 years (b) 3 years (c) 2 years (d) 4 years
26. 26.In how many years will ₹1500 earn ₹495 simple interest at 11% per year? (a) 4 years (b) 2 years (c) 3 years (d) 6 years
27. 27.What is the simple interest on ₹2000 at 2% per year for 2 years? (a) ₹40 (b) ₹80 (c) ₹2080 (d) ₹120
28. 28.What is the simple interest on ₹8000 at 12% per year for 2 years? (a) ₹9920 (b) ₹960 (c) ₹2880 (d) ₹1920
29. 29.The simple interest on ₹9000 for 3 years is ₹1620. What is the rate per year? (a) 18% (b) 6% (c) 5% (d) 7%
30. 30.₹6000 is invested at 5% per year simple interest. What is the amount after 5 years? (a) ₹6300 (b) ₹1500 (c) ₹7500 (d) ₹7800
31. 31.In how many years will ₹6000 earn ₹1440 simple interest at 8% per year? (a) 4 years (b) 2 years (c) 3 years (d) 6 years
32. 32.What is the simple interest on ₹1500 at 2% per year for 3 years? (a) ₹120 (b) ₹1590 (c) ₹30 (d) ₹90
33. 33.What is the simple interest on ₹5500 at 11% per year for 2 years? (a) ₹1210 (b) ₹6710 (c) ₹1815 (d) ₹605
34. 34.The simple interest on ₹7000 for 5 years is ₹2450. What is the rate per year? (a) 8% (b) 35% (c) 6% (d) 7%
35. 35.In how many years will ₹8000 earn ₹3840 simple interest at 12% per year? (a) 3 years (b) 8 years (c) 4 years (d) 5 years
36. 36.In how many years will ₹2500 earn ₹400 simple interest at 8% per year? (a) 4 years (b) 2 years (c) 3 years (d) 1 year
37. 37.The simple interest on ₹10000 for 2 years is ₹400. What is the rate per year? (a) 2% (b) 3% (c) 4% (d) 1%
38. 38.What is the simple interest on ₹6000 at 5% per year for 3 years? (a) ₹300 (b) ₹900 (c) ₹1200 (d) ₹6900
39. 39.The simple interest on ₹4500 for 3 years is ₹540. What is the rate per year? (a) 5% (b) 4% (c) 12% (d) 3%
40. 40.₹8500 is invested at 2% per year simple interest. What is the amount after 5 years? (a) ₹850 (b) ₹8670 (c) ₹9350 (d) ₹9520

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