Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 9 · 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.What is the simple interest on ₹8000 at 7% per year for 2 years? (a) ₹9120 (b) ₹1680 (c) ₹560 (d) ₹1120
2. 2.What is the simple interest on ₹6000 at 3% per year for 5 years? (a) ₹900 (b) ₹6900 (c) ₹180 (d) ₹1080
3. 3.What is the simple interest on ₹1000 at 10% per year for 4 years? (a) ₹400 (b) ₹100 (c) ₹1400 (d) ₹500
4. 4.What is the simple interest on ₹7000 at 12% per year for 4 years? (a) ₹840 (b) ₹10360 (c) ₹4200 (d) ₹3360
5. 5.₹5000 is invested at 6% per year simple interest. What is the amount after 2 years? (a) ₹600 (b) ₹5600 (c) ₹5900 (d) ₹5300
6. 6.In how many years will ₹10000 earn ₹1000 simple interest at 2% per year? (a) 6 years (b) 10 years (c) 4 years (d) 5 years
7. 7.In how many years will ₹4000 earn ₹1440 simple interest at 12% per year? (a) 3 years (b) 6 years (c) 2 years (d) 4 years
8. 8.In how many years will ₹2000 earn ₹240 simple interest at 4% per year? (a) 4 years (b) 6 years (c) 2 years (d) 3 years
9. 9.What is the simple interest on ₹1000 at 9% per year for 2 years? (a) ₹90 (b) ₹1180 (c) ₹270 (d) ₹180
10. 10.In how many years will ₹6000 earn ₹2700 simple interest at 9% per year? (a) 4 years (b) 5 years (c) 10 years (d) 6 years
11. 11.In how many years will ₹5000 earn ₹400 simple interest at 2% per year? (a) 4 years (b) 5 years (c) 3 years (d) 8 years
12. 12.The simple interest on ₹7000 for 3 years is ₹2520. What is the rate per year? (a) 36% (b) 13% (c) 11% (d) 12%
13. 13.What is the simple interest on ₹8000 at 8% per year for 5 years? (a) ₹11200 (b) ₹640 (c) ₹3200 (d) ₹3840
14. 14.In how many years will ₹2000 earn ₹1200 simple interest at 12% per year? (a) 6 years (b) 4 years (c) 10 years (d) 5 years
15. 15.What is the simple interest on ₹2500 at 8% per year for 2 years? (a) ₹2900 (b) ₹400 (c) ₹600 (d) ₹200
16. 16.The simple interest on ₹2000 for 4 years is ₹960. What is the rate per year? (a) 12% (b) 13% (c) 48% (d) 11%
17. 17.What is the simple interest on ₹5500 at 10% per year for 4 years? (a) ₹550 (b) ₹2750 (c) ₹7700 (d) ₹2200
18. 18.In how many years will ₹1500 earn ₹120 simple interest at 4% per year? (a) 1 year (b) 4 years (c) 3 years (d) 2 years
19. 19.What is the simple interest on ₹6000 at 10% per year for 3 years? (a) ₹2400 (b) ₹7800 (c) ₹600 (d) ₹1800
20. 20.₹2000 is invested at 6% per year simple interest. What is the amount after 3 years? (a) ₹2120 (b) ₹2480 (c) ₹360 (d) ₹2360
21. 21.₹5000 is invested at 11% per year simple interest. What is the amount after 4 years? (a) ₹7750 (b) ₹5550 (c) ₹7200 (d) ₹2200
22. 22.What is the simple interest on ₹10000 at 6% per year for 2 years? (a) ₹600 (b) ₹1800 (c) ₹1200 (d) ₹11200
23. 23.The simple interest on ₹8500 for 2 years is ₹850. What is the rate per year? (a) 4% (b) 6% (c) 5% (d) 10%
24. 24.What is the simple interest on ₹5000 at 7% per year for 5 years? (a) ₹6750 (b) ₹1750 (c) ₹2100 (d) ₹350
25. 25.What is the simple interest on ₹8500 at 2% per year for 3 years? (a) ₹9010 (b) ₹510 (c) ₹680 (d) ₹170
26. 26.The simple interest on ₹5000 for 4 years is ₹2400. What is the rate per year? (a) 12% (b) 48% (c) 13% (d) 11%
27. 27.In how many years will ₹1500 earn ₹825 simple interest at 11% per year? (a) 10 years (b) 5 years (c) 4 years (d) 6 years
28. 28.In how many years will ₹9000 earn ₹1350 simple interest at 5% per year? (a) 2 years (b) 3 years (c) 6 years (d) 4 years
29. 29.₹10000 is invested at 7% per year simple interest. What is the amount after 3 years? (a) ₹12100 (b) ₹12800 (c) ₹2100 (d) ₹10700
30. 30.What is the simple interest on ₹2000 at 4% per year for 5 years? (a) ₹480 (b) ₹2400 (c) ₹400 (d) ₹80
31. 31.₹6000 is invested at 5% per year simple interest. What is the amount after 5 years? (a) ₹7800 (b) ₹6300 (c) ₹7500 (d) ₹1500
32. 32.In how many years will ₹8000 earn ₹480 simple interest at 2% per year? (a) 2 years (b) 4 years (c) 3 years (d) 6 years
33. 33.What is the simple interest on ₹4500 at 10% per year for 5 years? (a) ₹450 (b) ₹2700 (c) ₹2250 (d) ₹6750
34. 34.What is the simple interest on ₹3500 at 2% per year for 2 years? (a) ₹210 (b) ₹3640 (c) ₹70 (d) ₹140
35. 35.₹1500 is invested at 2% per year simple interest. What is the amount after 3 years? (a) ₹90 (b) ₹1530 (c) ₹1590 (d) ₹1620
36. 36.What is the simple interest on ₹3000 at 5% per year for 2 years? (a) ₹3300 (b) ₹450 (c) ₹150 (d) ₹300
37. 37.What is the simple interest on ₹10000 at 9% per year for 2 years? (a) ₹900 (b) ₹11800 (c) ₹2700 (d) ₹1800
38. 38.What is the simple interest on ₹4500 at 12% per year for 3 years? (a) ₹540 (b) ₹1620 (c) ₹2160 (d) ₹6120
39. 39.The simple interest on ₹7000 for 5 years is ₹2800. What is the rate per year? (a) 40% (b) 7% (c) 8% (d) 9%
40. 40.In how many years will ₹8500 earn ₹3400 simple interest at 10% per year? (a) 8 years (b) 3 years (c) 4 years (d) 5 years

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