Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 698 · 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 ₹6000 at 4% per year for 5 years? (a) ₹240 (b) ₹1440 (c) ₹7200 (d) ₹1200
2. 2.The simple interest on ₹9000 for 5 years is ₹2250. What is the rate per year? (a) 4% (b) 25% (c) 5% (d) 6%
3. 3.What is the simple interest on ₹8500 at 8% per year for 3 years? (a) ₹2720 (b) ₹10540 (c) ₹2040 (d) ₹680
4. 4.₹2500 is invested at 12% per year simple interest. What is the amount after 3 years? (a) ₹900 (b) ₹3400 (c) ₹2800 (d) ₹3700
5. 5.The simple interest on ₹6000 for 5 years is ₹2100. What is the rate per year? (a) 35% (b) 7% (c) 6% (d) 8%
6. 6.₹7500 is invested at 6% per year simple interest. What is the amount after 3 years? (a) ₹8850 (b) ₹1350 (c) ₹9300 (d) ₹7950
7. 7.What is the simple interest on ₹3000 at 6% per year for 2 years? (a) ₹360 (b) ₹540 (c) ₹180 (d) ₹3360
8. 8.In how many years will ₹3500 earn ₹735 simple interest at 7% per year? (a) 4 years (b) 6 years (c) 3 years (d) 2 years
9. 9.₹1500 is invested at 5% per year simple interest. What is the amount after 5 years? (a) ₹375 (b) ₹1950 (c) ₹1875 (d) ₹1575
10. 10.₹9500 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹9785 (b) ₹10070 (c) ₹570 (d) ₹10355
11. 11.What is the simple interest on ₹1000 at 10% per year for 2 years? (a) ₹300 (b) ₹1200 (c) ₹100 (d) ₹200
12. 12.In how many years will ₹4000 earn ₹480 simple interest at 6% per year? (a) 2 years (b) 3 years (c) 1 year (d) 4 years
13. 13.In how many years will ₹5000 earn ₹1100 simple interest at 11% per year? (a) 3 years (b) 1 year (c) 2 years (d) 4 years
14. 14.₹5000 is invested at 2% per year simple interest. What is the amount after 3 years? (a) ₹5400 (b) ₹5100 (c) ₹300 (d) ₹5300
15. 15.₹3000 is invested at 5% per year simple interest. What is the amount after 4 years? (a) ₹3600 (b) ₹3150 (c) ₹600 (d) ₹3750
16. 16.₹1000 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹1090 (b) ₹1060 (c) ₹1030 (d) ₹60
17. 17.What is the simple interest on ₹3000 at 3% per year for 3 years? (a) ₹3270 (b) ₹360 (c) ₹90 (d) ₹270
18. 18.₹9000 is invested at 12% per year simple interest. What is the amount after 5 years? (a) ₹15480 (b) ₹14400 (c) ₹5400 (d) ₹10080
19. 19.What is the simple interest on ₹1000 at 7% per year for 3 years? (a) ₹1210 (b) ₹280 (c) ₹210 (d) ₹70
20. 20.In how many years will ₹7500 earn ₹1200 simple interest at 8% per year? (a) 1 year (b) 3 years (c) 4 years (d) 2 years
21. 21.In how many years will ₹7000 earn ₹1400 simple interest at 5% per year? (a) 5 years (b) 3 years (c) 8 years (d) 4 years
22. 22.The simple interest on ₹2500 for 2 years is ₹350. What is the rate per year? (a) 7% (b) 14% (c) 6% (d) 8%
23. 23.The simple interest on ₹7000 for 5 years is ₹700. What is the rate per year? (a) 10% (b) 2% (c) 1% (d) 3%
24. 24.₹7000 is invested at 8% per year simple interest. What is the amount after 2 years? (a) ₹8120 (b) ₹8680 (c) ₹1120 (d) ₹7560
25. 25.The simple interest on ₹5000 for 3 years is ₹750. What is the rate per year? (a) 5% (b) 6% (c) 15% (d) 4%
26. 26.₹7500 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹300 (b) ₹7950 (c) ₹7650 (d) ₹7800
27. 27.In how many years will ₹1000 earn ₹450 simple interest at 9% per year? (a) 6 years (b) 5 years (c) 10 years (d) 4 years
28. 28.In how many years will ₹9000 earn ₹1350 simple interest at 3% per year? (a) 6 years (b) 5 years (c) 4 years (d) 10 years
29. 29.₹3500 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹140 (b) ₹3570 (c) ₹3640 (d) ₹3710
30. 30.The simple interest on ₹7500 for 2 years is ₹1350. What is the rate per year? (a) 8% (b) 18% (c) 10% (d) 9%
31. 31.₹3000 is invested at 11% per year simple interest. What is the amount after 2 years? (a) ₹3990 (b) ₹660 (c) ₹3330 (d) ₹3660
32. 32.In how many years will ₹3000 earn ₹300 simple interest at 5% per year? (a) 1 year (b) 4 years (c) 2 years (d) 3 years
33. 33.What is the simple interest on ₹5500 at 11% per year for 5 years? (a) ₹3630 (b) ₹3025 (c) ₹8525 (d) ₹605
34. 34.₹2000 is invested at 12% per year simple interest. What is the amount after 4 years? (a) ₹960 (b) ₹3200 (c) ₹2960 (d) ₹2240
35. 35.What is the simple interest on ₹4500 at 2% per year for 3 years? (a) ₹4770 (b) ₹90 (c) ₹360 (d) ₹270
36. 36.₹8000 is invested at 9% per year simple interest. What is the amount after 3 years? (a) ₹10160 (b) ₹10880 (c) ₹8720 (d) ₹2160
37. 37.In how many years will ₹4500 earn ₹360 simple interest at 4% per year? (a) 2 years (b) 1 year (c) 3 years (d) 4 years
38. 38.₹4500 is invested at 2% per year simple interest. What is the amount after 3 years? (a) ₹4770 (b) ₹4590 (c) ₹270 (d) ₹4860
39. 39.The simple interest on ₹10000 for 2 years is ₹1400. What is the rate per year? (a) 7% (b) 8% (c) 6% (d) 14%
40. 40.What is the simple interest on ₹7500 at 5% per year for 5 years? (a) ₹1875 (b) ₹2250 (c) ₹375 (d) ₹9375

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