Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 265 · 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.The simple interest on ₹9500 for 3 years is ₹855. What is the rate per year? (a) 9% (b) 4% (c) 2% (d) 3%
2. 2.What is the simple interest on ₹8000 at 5% per year for 5 years? (a) ₹2400 (b) ₹2000 (c) ₹400 (d) ₹10000
3. 3.The simple interest on ₹9500 for 3 years is ₹3420. What is the rate per year? (a) 13% (b) 36% (c) 11% (d) 12%
4. 4.What is the simple interest on ₹1000 at 7% per year for 3 years? (a) ₹280 (b) ₹210 (c) ₹70 (d) ₹1210
5. 5.₹7500 is invested at 12% per year simple interest. What is the amount after 3 years? (a) ₹11100 (b) ₹8400 (c) ₹2700 (d) ₹10200
6. 6.In how many years will ₹2000 earn ₹1000 simple interest at 10% per year? (a) 10 years (b) 6 years (c) 5 years (d) 4 years
7. 7.What is the simple interest on ₹1500 at 4% per year for 3 years? (a) ₹1680 (b) ₹240 (c) ₹60 (d) ₹180
8. 8.In how many years will ₹6500 earn ₹1365 simple interest at 7% per year? (a) 2 years (b) 4 years (c) 3 years (d) 6 years
9. 9.₹7500 is invested at 3% per year simple interest. What is the amount after 3 years? (a) ₹8400 (b) ₹7725 (c) ₹8175 (d) ₹675
10. 10.The simple interest on ₹1500 for 5 years is ₹900. What is the rate per year? (a) 13% (b) 12% (c) 11% (d) 60%
11. 11.₹5000 is invested at 6% per year simple interest. What is the amount after 2 years? (a) ₹5900 (b) ₹5300 (c) ₹5600 (d) ₹600
12. 12.In how many years will ₹9500 earn ₹1520 simple interest at 8% per year? (a) 3 years (b) 1 year (c) 4 years (d) 2 years
13. 13.In how many years will ₹6000 earn ₹1620 simple interest at 9% per year? (a) 6 years (b) 3 years (c) 2 years (d) 4 years
14. 14.₹4500 is invested at 4% per year simple interest. What is the amount after 4 years? (a) ₹4680 (b) ₹5220 (c) ₹5400 (d) ₹720
15. 15.The simple interest on ₹6000 for 2 years is ₹600. What is the rate per year? (a) 5% (b) 10% (c) 6% (d) 4%
16. 16.₹6500 is invested at 2% per year simple interest. What is the amount after 5 years? (a) ₹6630 (b) ₹7280 (c) ₹650 (d) ₹7150
17. 17.In how many years will ₹9000 earn ₹4050 simple interest at 9% per year? (a) 4 years (b) 10 years (c) 5 years (d) 6 years
18. 18.What is the simple interest on ₹3500 at 5% per year for 3 years? (a) ₹525 (b) ₹4025 (c) ₹700 (d) ₹175
19. 19.In how many years will ₹2000 earn ₹160 simple interest at 2% per year? (a) 4 years (b) 5 years (c) 8 years (d) 3 years
20. 20.What is the simple interest on ₹6000 at 5% per year for 5 years? (a) ₹1500 (b) ₹1800 (c) ₹7500 (d) ₹300
21. 21.₹8500 is invested at 2% per year simple interest. What is the amount after 5 years? (a) ₹9350 (b) ₹9520 (c) ₹8670 (d) ₹850
22. 22.In how many years will ₹1500 earn ₹480 simple interest at 8% per year? (a) 4 years (b) 5 years (c) 3 years (d) 8 years
23. 23.₹9500 is invested at 4% per year simple interest. What is the amount after 4 years? (a) ₹11020 (b) ₹11400 (c) ₹1520 (d) ₹9880
24. 24.₹7000 is invested at 5% per year simple interest. What is the amount after 4 years? (a) ₹1400 (b) ₹8750 (c) ₹7350 (d) ₹8400
25. 25.₹4500 is invested at 5% per year simple interest. What is the amount after 3 years? (a) ₹675 (b) ₹5400 (c) ₹4725 (d) ₹5175
26. 26.The simple interest on ₹2500 for 2 years is ₹200. What is the rate per year? (a) 4% (b) 3% (c) 5% (d) 8%
27. 27.In how many years will ₹6000 earn ₹2160 simple interest at 9% per year? (a) 5 years (b) 8 years (c) 3 years (d) 4 years
28. 28.In how many years will ₹1500 earn ₹540 simple interest at 9% per year? (a) 3 years (b) 4 years (c) 8 years (d) 5 years
29. 29.₹5000 is invested at 3% per year simple interest. What is the amount after 4 years? (a) ₹5150 (b) ₹5600 (c) ₹600 (d) ₹5750
30. 30.The simple interest on ₹3000 for 4 years is ₹1200. What is the rate per year? (a) 9% (b) 40% (c) 10% (d) 11%
31. 31.The simple interest on ₹9000 for 2 years is ₹1800. What is the rate per year? (a) 20% (b) 10% (c) 9% (d) 11%
32. 32.What is the simple interest on ₹4500 at 7% per year for 3 years? (a) ₹5445 (b) ₹1260 (c) ₹945 (d) ₹315
33. 33.₹1000 is invested at 3% per year simple interest. What is the amount after 4 years? (a) ₹1120 (b) ₹1030 (c) ₹120 (d) ₹1150
34. 34.What is the simple interest on ₹5000 at 10% per year for 3 years? (a) ₹500 (b) ₹6500 (c) ₹1500 (d) ₹2000
35. 35.In how many years will ₹8500 earn ₹1530 simple interest at 9% per year? (a) 1 year (b) 4 years (c) 2 years (d) 3 years
36. 36.The simple interest on ₹2500 for 4 years is ₹600. What is the rate per year? (a) 24% (b) 5% (c) 6% (d) 7%
37. 37.In how many years will ₹4000 earn ₹960 simple interest at 8% per year? (a) 2 years (b) 4 years (c) 6 years (d) 3 years
38. 38.In how many years will ₹1500 earn ₹330 simple interest at 11% per year? (a) 4 years (b) 3 years (c) 2 years (d) 1 year
39. 39.What is the simple interest on ₹3000 at 12% per year for 5 years? (a) ₹360 (b) ₹4800 (c) ₹1800 (d) ₹2160
40. 40.In how many years will ₹8500 earn ₹1275 simple interest at 3% per year? (a) 6 years (b) 4 years (c) 10 years (d) 5 years

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