Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 375 · 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.₹9000 is invested at 5% per year simple interest. What is the amount after 5 years? (a) ₹11250 (b) ₹11700 (c) ₹2250 (d) ₹9450
2. 2.In how many years will ₹3000 earn ₹120 simple interest at 2% per year? (a) 1 year (b) 3 years (c) 4 years (d) 2 years
3. 3.The simple interest on ₹4500 for 2 years is ₹720. What is the rate per year? (a) 16% (b) 7% (c) 8% (d) 9%
4. 4.What is the simple interest on ₹7000 at 11% per year for 4 years? (a) ₹3850 (b) ₹770 (c) ₹10080 (d) ₹3080
5. 5.The simple interest on ₹3000 for 5 years is ₹1350. What is the rate per year? (a) 45% (b) 10% (c) 8% (d) 9%
6. 6.In how many years will ₹2000 earn ₹160 simple interest at 4% per year? (a) 1 year (b) 3 years (c) 2 years (d) 4 years
7. 7.What is the simple interest on ₹4000 at 6% per year for 2 years? (a) ₹4480 (b) ₹480 (c) ₹720 (d) ₹240
8. 8.₹4500 is invested at 8% per year simple interest. What is the amount after 2 years? (a) ₹4860 (b) ₹5220 (c) ₹5580 (d) ₹720
9. 9.In how many years will ₹7000 earn ₹1050 simple interest at 3% per year? (a) 5 years (b) 6 years (c) 10 years (d) 4 years
10. 10.What is the simple interest on ₹4000 at 12% per year for 5 years? (a) ₹2400 (b) ₹2880 (c) ₹6400 (d) ₹480
11. 11.What is the simple interest on ₹1500 at 2% per year for 3 years? (a) ₹30 (b) ₹90 (c) ₹1590 (d) ₹120
12. 12.What is the simple interest on ₹9000 at 5% per year for 2 years? (a) ₹9900 (b) ₹1350 (c) ₹450 (d) ₹900
13. 13.In how many years will ₹4000 earn ₹2200 simple interest at 11% per year? (a) 6 years (b) 4 years (c) 10 years (d) 5 years
14. 14.In how many years will ₹7500 earn ₹2400 simple interest at 8% per year? (a) 5 years (b) 4 years (c) 8 years (d) 3 years
15. 15.In how many years will ₹1500 earn ₹480 simple interest at 8% per year? (a) 5 years (b) 4 years (c) 3 years (d) 8 years
16. 16.The simple interest on ₹1000 for 2 years is ₹40. What is the rate per year? (a) 2% (b) 1% (c) 3% (d) 4%
17. 17.The simple interest on ₹9500 for 4 years is ₹3800. What is the rate per year? (a) 10% (b) 9% (c) 11% (d) 40%
18. 18.₹6500 is invested at 12% per year simple interest. What is the amount after 4 years? (a) ₹9620 (b) ₹10400 (c) ₹7280 (d) ₹3120
19. 19.₹2500 is invested at 10% per year simple interest. What is the amount after 3 years? (a) ₹3500 (b) ₹2750 (c) ₹750 (d) ₹3250
20. 20.The simple interest on ₹5500 for 5 years is ₹3025. What is the rate per year? (a) 12% (b) 55% (c) 10% (d) 11%
21. 21.In how many years will ₹6500 earn ₹1625 simple interest at 5% per year? (a) 6 years (b) 5 years (c) 4 years (d) 10 years
22. 22.What is the simple interest on ₹6500 at 12% per year for 2 years? (a) ₹2340 (b) ₹780 (c) ₹8060 (d) ₹1560
23. 23.₹3000 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹3360 (b) ₹3240 (c) ₹3120 (d) ₹240
24. 24.The simple interest on ₹6000 for 4 years is ₹480. What is the rate per year? (a) 8% (b) 1% (c) 3% (d) 2%
25. 25.The simple interest on ₹3500 for 5 years is ₹525. What is the rate per year? (a) 15% (b) 4% (c) 3% (d) 2%
26. 26.What is the simple interest on ₹9500 at 3% per year for 2 years? (a) ₹570 (b) ₹855 (c) ₹10070 (d) ₹285
27. 27.The simple interest on ₹1500 for 4 years is ₹420. What is the rate per year? (a) 8% (b) 6% (c) 7% (d) 28%
28. 28.The simple interest on ₹1500 for 3 years is ₹225. What is the rate per year? (a) 4% (b) 5% (c) 15% (d) 6%
29. 29.In how many years will ₹7000 earn ₹1890 simple interest at 9% per year? (a) 3 years (b) 6 years (c) 2 years (d) 4 years
30. 30.₹6000 is invested at 6% per year simple interest. What is the amount after 2 years? (a) ₹6360 (b) ₹720 (c) ₹7080 (d) ₹6720
31. 31.In how many years will ₹2500 earn ₹400 simple interest at 8% per year? (a) 3 years (b) 2 years (c) 1 year (d) 4 years
32. 32.In how many years will ₹10000 earn ₹600 simple interest at 2% per year? (a) 2 years (b) 3 years (c) 6 years (d) 4 years
33. 33.₹3500 is invested at 5% per year simple interest. What is the amount after 4 years? (a) ₹4375 (b) ₹700 (c) ₹3675 (d) ₹4200
34. 34.₹1000 is invested at 8% per year simple interest. What is the amount after 2 years? (a) ₹1080 (b) ₹1160 (c) ₹1240 (d) ₹160
35. 35.What is the simple interest on ₹8000 at 8% per year for 3 years? (a) ₹9920 (b) ₹640 (c) ₹2560 (d) ₹1920
36. 36.The simple interest on ₹1500 for 4 years is ₹240. What is the rate per year? (a) 4% (b) 16% (c) 5% (d) 3%
37. 37.In how many years will ₹7000 earn ₹700 simple interest at 2% per year? (a) 6 years (b) 10 years (c) 4 years (d) 5 years
38. 38.What is the simple interest on ₹6500 at 10% per year for 4 years? (a) ₹9100 (b) ₹2600 (c) ₹3250 (d) ₹650
39. 39.What is the simple interest on ₹2500 at 3% per year for 2 years? (a) ₹75 (b) ₹2650 (c) ₹150 (d) ₹225
40. 40.The simple interest on ₹2000 for 4 years is ₹240. What is the rate per year? (a) 3% (b) 2% (c) 4% (d) 12%

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