Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 980 · 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 ₹1500 at 4% per year for 4 years? (a) ₹60 (b) ₹1740 (c) ₹300 (d) ₹240
2. 2.₹6500 is invested at 5% per year simple interest. What is the amount after 5 years? (a) ₹1625 (b) ₹6825 (c) ₹8450 (d) ₹8125
3. 3.What is the simple interest on ₹10000 at 9% per year for 3 years? (a) ₹3600 (b) ₹900 (c) ₹12700 (d) ₹2700
4. 4.The simple interest on ₹9500 for 3 years is ₹1995. What is the rate per year? (a) 7% (b) 8% (c) 6% (d) 21%
5. 5.The simple interest on ₹6000 for 4 years is ₹480. What is the rate per year? (a) 1% (b) 8% (c) 2% (d) 3%
6. 6.What is the simple interest on ₹7500 at 6% per year for 2 years? (a) ₹1350 (b) ₹8400 (c) ₹900 (d) ₹450
7. 7.₹7500 is invested at 5% per year simple interest. What is the amount after 4 years? (a) ₹9375 (b) ₹9000 (c) ₹1500 (d) ₹7875
8. 8.The simple interest on ₹7000 for 3 years is ₹420. What is the rate per year? (a) 2% (b) 1% (c) 6% (d) 3%
9. 9.In how many years will ₹9500 earn ₹570 simple interest at 3% per year? (a) 1 year (b) 2 years (c) 4 years (d) 3 years
10. 10.In how many years will ₹7000 earn ₹700 simple interest at 2% per year? (a) 4 years (b) 10 years (c) 5 years (d) 6 years
11. 11.The simple interest on ₹7000 for 5 years is ₹1400. What is the rate per year? (a) 5% (b) 20% (c) 4% (d) 3%
12. 12.In how many years will ₹10000 earn ₹5000 simple interest at 10% per year? (a) 5 years (b) 10 years (c) 4 years (d) 6 years
13. 13.What is the simple interest on ₹8000 at 9% per year for 2 years? (a) ₹720 (b) ₹1440 (c) ₹9440 (d) ₹2160
14. 14.In how many years will ₹2000 earn ₹160 simple interest at 4% per year? (a) 4 years (b) 1 year (c) 3 years (d) 2 years
15. 15.₹1500 is invested at 11% per year simple interest. What is the amount after 2 years? (a) ₹1995 (b) ₹1830 (c) ₹1665 (d) ₹330
16. 16.What is the simple interest on ₹4000 at 3% per year for 4 years? (a) ₹4480 (b) ₹480 (c) ₹600 (d) ₹120
17. 17.What is the simple interest on ₹5000 at 6% per year for 4 years? (a) ₹1200 (b) ₹6200 (c) ₹1500 (d) ₹300
18. 18.₹4500 is invested at 10% per year simple interest. What is the amount after 4 years? (a) ₹6300 (b) ₹1800 (c) ₹6750 (d) ₹4950
19. 19.The simple interest on ₹5500 for 4 years is ₹1540. What is the rate per year? (a) 6% (b) 8% (c) 7% (d) 28%
20. 20.The simple interest on ₹2500 for 2 years is ₹100. What is the rate per year? (a) 1% (b) 4% (c) 2% (d) 3%
21. 21.In how many years will ₹9000 earn ₹3240 simple interest at 9% per year? (a) 4 years (b) 8 years (c) 3 years (d) 5 years
22. 22.What is the simple interest on ₹10000 at 4% per year for 3 years? (a) ₹1200 (b) ₹1600 (c) ₹400 (d) ₹11200
23. 23.What is the simple interest on ₹6500 at 2% per year for 3 years? (a) ₹130 (b) ₹6890 (c) ₹520 (d) ₹390
24. 24.What is the simple interest on ₹6000 at 9% per year for 3 years? (a) ₹540 (b) ₹7620 (c) ₹2160 (d) ₹1620
25. 25.In how many years will ₹7000 earn ₹560 simple interest at 4% per year? (a) 1 year (b) 4 years (c) 2 years (d) 3 years
26. 26.In how many years will ₹7500 earn ₹2250 simple interest at 6% per year? (a) 5 years (b) 10 years (c) 6 years (d) 4 years
27. 27.The simple interest on ₹1000 for 3 years is ₹270. What is the rate per year? (a) 27% (b) 9% (c) 8% (d) 10%
28. 28.What is the simple interest on ₹5500 at 11% per year for 4 years? (a) ₹7920 (b) ₹2420 (c) ₹3025 (d) ₹605
29. 29.₹5000 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹5150 (b) ₹5450 (c) ₹300 (d) ₹5300
30. 30.The simple interest on ₹7500 for 5 years is ₹750. What is the rate per year? (a) 2% (b) 10% (c) 1% (d) 3%
31. 31.The simple interest on ₹6000 for 4 years is ₹2400. What is the rate per year? (a) 9% (b) 40% (c) 11% (d) 10%
32. 32.The simple interest on ₹4000 for 4 years is ₹1760. What is the rate per year? (a) 12% (b) 10% (c) 11% (d) 44%
33. 33.₹7500 is invested at 7% per year simple interest. What is the amount after 3 years? (a) ₹9075 (b) ₹9600 (c) ₹1575 (d) ₹8025
34. 34.In how many years will ₹4500 earn ₹2160 simple interest at 12% per year? (a) 8 years (b) 3 years (c) 4 years (d) 5 years
35. 35.What is the simple interest on ₹9000 at 2% per year for 4 years? (a) ₹180 (b) ₹900 (c) ₹9720 (d) ₹720
36. 36.What is the simple interest on ₹3000 at 11% per year for 3 years? (a) ₹1320 (b) ₹330 (c) ₹990 (d) ₹3990
37. 37.In how many years will ₹6500 earn ₹910 simple interest at 7% per year? (a) 4 years (b) 3 years (c) 2 years (d) 1 year
38. 38.₹6500 is invested at 2% per year simple interest. What is the amount after 3 years? (a) ₹390 (b) ₹6630 (c) ₹7020 (d) ₹6890
39. 39.What is the simple interest on ₹2500 at 5% per year for 4 years? (a) ₹3000 (b) ₹500 (c) ₹125 (d) ₹625
40. 40.What is the simple interest on ₹9000 at 5% per year for 3 years? (a) ₹1350 (b) ₹10350 (c) ₹1800 (d) ₹450

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