Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 864 · 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 ₹3500 earn ₹420 simple interest at 3% per year? (a) 3 years (b) 4 years (c) 5 years (d) 8 years
2. 2.In how many years will ₹8500 earn ₹510 simple interest at 3% per year? (a) 1 year (b) 4 years (c) 3 years (d) 2 years
3. 3.What is the simple interest on ₹6500 at 4% per year for 3 years? (a) ₹260 (b) ₹1040 (c) ₹780 (d) ₹7280
4. 4.What is the simple interest on ₹8000 at 10% per year for 2 years? (a) ₹9600 (b) ₹2400 (c) ₹800 (d) ₹1600
5. 5.In how many years will ₹3500 earn ₹140 simple interest at 2% per year? (a) 1 year (b) 3 years (c) 4 years (d) 2 years
6. 6.In how many years will ₹5500 earn ₹1485 simple interest at 9% per year? (a) 6 years (b) 3 years (c) 2 years (d) 4 years
7. 7.In how many years will ₹5500 earn ₹825 simple interest at 5% per year? (a) 3 years (b) 4 years (c) 6 years (d) 2 years
8. 8.₹7500 is invested at 3% per year simple interest. What is the amount after 4 years? (a) ₹8400 (b) ₹8625 (c) ₹7725 (d) ₹900
9. 9.What is the simple interest on ₹7000 at 9% per year for 2 years? (a) ₹8260 (b) ₹1890 (c) ₹1260 (d) ₹630
10. 10.₹3500 is invested at 7% per year simple interest. What is the amount after 3 years? (a) ₹4235 (b) ₹3745 (c) ₹4480 (d) ₹735
11. 11.What is the simple interest on ₹7500 at 6% per year for 2 years? (a) ₹450 (b) ₹900 (c) ₹1350 (d) ₹8400
12. 12.In how many years will ₹6000 earn ₹3000 simple interest at 10% per year? (a) 6 years (b) 5 years (c) 4 years (d) 10 years
13. 13.In how many years will ₹5500 earn ₹825 simple interest at 3% per year? (a) 5 years (b) 4 years (c) 6 years (d) 10 years
14. 14.The simple interest on ₹6000 for 4 years is ₹720. What is the rate per year? (a) 3% (b) 2% (c) 4% (d) 12%
15. 15.₹5500 is invested at 6% per year simple interest. What is the amount after 4 years? (a) ₹5830 (b) ₹7150 (c) ₹6820 (d) ₹1320
16. 16.The simple interest on ₹7000 for 2 years is ₹420. What is the rate per year? (a) 3% (b) 4% (c) 2% (d) 6%
17. 17.The simple interest on ₹1000 for 4 years is ₹400. What is the rate per year? (a) 40% (b) 11% (c) 9% (d) 10%
18. 18.What is the simple interest on ₹7000 at 12% per year for 3 years? (a) ₹3360 (b) ₹840 (c) ₹9520 (d) ₹2520
19. 19.₹1500 is invested at 5% per year simple interest. What is the amount after 3 years? (a) ₹1800 (b) ₹225 (c) ₹1575 (d) ₹1725
20. 20.In how many years will ₹4000 earn ₹800 simple interest at 4% per year? (a) 4 years (b) 6 years (c) 5 years (d) 10 years
21. 21.The simple interest on ₹3000 for 2 years is ₹420. What is the rate per year? (a) 14% (b) 8% (c) 7% (d) 6%
22. 22.What is the simple interest on ₹5000 at 3% per year for 3 years? (a) ₹150 (b) ₹450 (c) ₹600 (d) ₹5450
23. 23.What is the simple interest on ₹6500 at 10% per year for 3 years? (a) ₹650 (b) ₹2600 (c) ₹8450 (d) ₹1950
24. 24.What is the simple interest on ₹2500 at 9% per year for 2 years? (a) ₹675 (b) ₹450 (c) ₹2950 (d) ₹225
25. 25.What is the simple interest on ₹5000 at 4% per year for 3 years? (a) ₹800 (b) ₹600 (c) ₹200 (d) ₹5600
26. 26.The simple interest on ₹2500 for 3 years is ₹600. What is the rate per year? (a) 24% (b) 8% (c) 7% (d) 9%
27. 27.₹3500 is invested at 8% per year simple interest. What is the amount after 5 years? (a) ₹5180 (b) ₹4900 (c) ₹3780 (d) ₹1400
28. 28.In how many years will ₹10000 earn ₹600 simple interest at 2% per year? (a) 2 years (b) 3 years (c) 4 years (d) 6 years
29. 29.₹2500 is invested at 3% per year simple interest. What is the amount after 5 years? (a) ₹2950 (b) ₹2875 (c) ₹2575 (d) ₹375
30. 30.What is the simple interest on ₹6500 at 12% per year for 3 years? (a) ₹3120 (b) ₹2340 (c) ₹8840 (d) ₹780
31. 31.₹3500 is invested at 11% per year simple interest. What is the amount after 2 years? (a) ₹4655 (b) ₹4270 (c) ₹770 (d) ₹3885
32. 32.In how many years will ₹10000 earn ₹1500 simple interest at 5% per year? (a) 6 years (b) 3 years (c) 2 years (d) 4 years
33. 33.The simple interest on ₹7000 for 5 years is ₹1050. What is the rate per year? (a) 4% (b) 15% (c) 3% (d) 2%
34. 34.In how many years will ₹1500 earn ₹540 simple interest at 9% per year? (a) 3 years (b) 8 years (c) 5 years (d) 4 years
35. 35.₹9500 is invested at 5% per year simple interest. What is the amount after 4 years? (a) ₹1900 (b) ₹11875 (c) ₹9975 (d) ₹11400
36. 36.₹1500 is invested at 2% per year simple interest. What is the amount after 4 years? (a) ₹1620 (b) ₹120 (c) ₹1650 (d) ₹1530
37. 37.₹3000 is invested at 6% per year simple interest. What is the amount after 2 years? (a) ₹3360 (b) ₹3180 (c) ₹360 (d) ₹3540
38. 38.What is the simple interest on ₹2500 at 3% per year for 4 years? (a) ₹75 (b) ₹300 (c) ₹375 (d) ₹2800
39. 39.₹3000 is invested at 11% per year simple interest. What is the amount after 2 years? (a) ₹3990 (b) ₹3330 (c) ₹3660 (d) ₹660
40. 40.In how many years will ₹5500 earn ₹495 simple interest at 3% per year? (a) 6 years (b) 3 years (c) 4 years (d) 2 years

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