Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 295 · 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.₹3500 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹140 (b) ₹3570 (c) ₹3710 (d) ₹3640
2. 2.What is the simple interest on ₹9500 at 2% per year for 2 years? (a) ₹190 (b) ₹380 (c) ₹570 (d) ₹9880
3. 3.In how many years will ₹1500 earn ₹900 simple interest at 12% per year? (a) 4 years (b) 10 years (c) 5 years (d) 6 years
4. 4.The simple interest on ₹4500 for 5 years is ₹450. What is the rate per year? (a) 10% (b) 1% (c) 2% (d) 3%
5. 5.₹5000 is invested at 2% per year simple interest. What is the amount after 5 years? (a) ₹5100 (b) ₹5500 (c) ₹500 (d) ₹5600
6. 6.The simple interest on ₹8000 for 3 years is ₹1680. What is the rate per year? (a) 6% (b) 7% (c) 8% (d) 21%
7. 7.In how many years will ₹6500 earn ₹1300 simple interest at 10% per year? (a) 3 years (b) 4 years (c) 2 years (d) 1 year
8. 8.The simple interest on ₹5000 for 3 years is ₹450. What is the rate per year? (a) 2% (b) 3% (c) 4% (d) 9%
9. 9.₹1000 is invested at 4% per year simple interest. What is the amount after 4 years? (a) ₹1040 (b) ₹1200 (c) ₹160 (d) ₹1160
10. 10.What is the simple interest on ₹1000 at 2% per year for 3 years? (a) ₹20 (b) ₹60 (c) ₹80 (d) ₹1060
11. 11.₹8500 is invested at 10% per year simple interest. What is the amount after 2 years? (a) ₹11050 (b) ₹1700 (c) ₹10200 (d) ₹9350
12. 12.The simple interest on ₹5000 for 5 years is ₹2750. What is the rate per year? (a) 10% (b) 12% (c) 11% (d) 55%
13. 13.₹1500 is invested at 4% per year simple interest. What is the amount after 5 years? (a) ₹1860 (b) ₹1800 (c) ₹300 (d) ₹1560
14. 14.₹6500 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹6760 (b) ₹260 (c) ₹6890 (d) ₹6630
15. 15.₹5000 is invested at 2% per year simple interest. What is the amount after 3 years? (a) ₹300 (b) ₹5100 (c) ₹5300 (d) ₹5400
16. 16.₹1500 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹1635 (b) ₹90 (c) ₹1590 (d) ₹1545
17. 17.₹8000 is invested at 9% per year simple interest. What is the amount after 4 years? (a) ₹10880 (b) ₹11600 (c) ₹8720 (d) ₹2880
18. 18.In how many years will ₹9500 earn ₹4275 simple interest at 9% per year? (a) 5 years (b) 4 years (c) 10 years (d) 6 years
19. 19.What is the simple interest on ₹9000 at 5% per year for 5 years? (a) ₹2250 (b) ₹450 (c) ₹11250 (d) ₹2700
20. 20.₹4000 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹4480 (b) ₹4160 (c) ₹320 (d) ₹4320
21. 21.What is the simple interest on ₹8000 at 9% per year for 3 years? (a) ₹2880 (b) ₹720 (c) ₹2160 (d) ₹10160
22. 22.What is the simple interest on ₹2500 at 4% per year for 3 years? (a) ₹100 (b) ₹2800 (c) ₹300 (d) ₹400
23. 23.The simple interest on ₹4000 for 5 years is ₹1600. What is the rate per year? (a) 40% (b) 7% (c) 9% (d) 8%
24. 24.The simple interest on ₹9500 for 3 years is ₹1425. What is the rate per year? (a) 5% (b) 15% (c) 4% (d) 6%
25. 25.In how many years will ₹1000 earn ₹200 simple interest at 4% per year? (a) 6 years (b) 10 years (c) 4 years (d) 5 years
26. 26.What is the simple interest on ₹2000 at 2% per year for 2 years? (a) ₹80 (b) ₹2080 (c) ₹120 (d) ₹40
27. 27.In how many years will ₹2500 earn ₹1200 simple interest at 12% per year? (a) 8 years (b) 4 years (c) 3 years (d) 5 years
28. 28.The simple interest on ₹8000 for 3 years is ₹480. What is the rate per year? (a) 1% (b) 2% (c) 3% (d) 6%
29. 29.₹7000 is invested at 4% per year simple interest. What is the amount after 5 years? (a) ₹8680 (b) ₹8400 (c) ₹1400 (d) ₹7280
30. 30.What is the simple interest on ₹1500 at 6% per year for 2 years? (a) ₹270 (b) ₹1680 (c) ₹90 (d) ₹180
31. 31.₹1500 is invested at 10% per year simple interest. What is the amount after 3 years? (a) ₹2100 (b) ₹1950 (c) ₹1650 (d) ₹450
32. 32.What is the simple interest on ₹5000 at 6% per year for 4 years? (a) ₹6200 (b) ₹300 (c) ₹1200 (d) ₹1500
33. 33.The simple interest on ₹5000 for 5 years is ₹1750. What is the rate per year? (a) 7% (b) 6% (c) 8% (d) 35%
34. 34.₹2500 is invested at 12% per year simple interest. What is the amount after 4 years? (a) ₹3700 (b) ₹1200 (c) ₹4000 (d) ₹2800
35. 35.What is the simple interest on ₹9000 at 6% per year for 4 years? (a) ₹540 (b) ₹2700 (c) ₹11160 (d) ₹2160
36. 36.₹8000 is invested at 6% per year simple interest. What is the amount after 2 years? (a) ₹9440 (b) ₹960 (c) ₹8960 (d) ₹8480
37. 37.₹1000 is invested at 6% per year simple interest. What is the amount after 2 years? (a) ₹1060 (b) ₹1120 (c) ₹120 (d) ₹1180
38. 38.The simple interest on ₹4500 for 3 years is ₹270. What is the rate per year? (a) 1% (b) 2% (c) 6% (d) 3%
39. 39.What is the simple interest on ₹7500 at 4% per year for 2 years? (a) ₹900 (b) ₹8100 (c) ₹300 (d) ₹600
40. 40.What is the simple interest on ₹4000 at 5% per year for 2 years? (a) ₹4400 (b) ₹600 (c) ₹200 (d) ₹400

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