Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 754 · 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 ₹10000 earn ₹1000 simple interest at 2% per year? (a) 10 years (b) 4 years (c) 5 years (d) 6 years
2. 2.₹9000 is invested at 4% per year simple interest. What is the amount after 5 years? (a) ₹11160 (b) ₹9360 (c) ₹1800 (d) ₹10800
3. 3.What is the simple interest on ₹5000 at 10% per year for 5 years? (a) ₹7500 (b) ₹500 (c) ₹3000 (d) ₹2500
4. 4.The simple interest on ₹3500 for 2 years is ₹700. What is the rate per year? (a) 10% (b) 11% (c) 20% (d) 9%
5. 5.The simple interest on ₹6000 for 5 years is ₹1800. What is the rate per year? (a) 30% (b) 6% (c) 7% (d) 5%
6. 6.₹7500 is invested at 7% per year simple interest. What is the amount after 2 years? (a) ₹1050 (b) ₹9075 (c) ₹8550 (d) ₹8025
7. 7.The simple interest on ₹4000 for 2 years is ₹160. What is the rate per year? (a) 3% (b) 1% (c) 4% (d) 2%
8. 8.The simple interest on ₹1000 for 3 years is ₹270. What is the rate per year? (a) 27% (b) 9% (c) 10% (d) 8%
9. 9.In how many years will ₹3000 earn ₹1650 simple interest at 11% per year? (a) 5 years (b) 4 years (c) 6 years (d) 10 years
10. 10.What is the simple interest on ₹8000 at 6% per year for 2 years? (a) ₹1440 (b) ₹480 (c) ₹960 (d) ₹8960
11. 11.In how many years will ₹4500 earn ₹675 simple interest at 5% per year? (a) 6 years (b) 2 years (c) 3 years (d) 4 years
12. 12.The simple interest on ₹9000 for 3 years is ₹1350. What is the rate per year? (a) 5% (b) 15% (c) 4% (d) 6%
13. 13.₹5000 is invested at 12% per year simple interest. What is the amount after 3 years? (a) ₹5600 (b) ₹1800 (c) ₹6800 (d) ₹7400
14. 14.In how many years will ₹1500 earn ₹450 simple interest at 6% per year? (a) 10 years (b) 5 years (c) 6 years (d) 4 years
15. 15.The simple interest on ₹3500 for 2 years is ₹630. What is the rate per year? (a) 18% (b) 8% (c) 9% (d) 10%
16. 16.In how many years will ₹6500 earn ₹1625 simple interest at 5% per year? (a) 4 years (b) 6 years (c) 5 years (d) 10 years
17. 17.The simple interest on ₹4500 for 2 years is ₹270. What is the rate per year? (a) 3% (b) 2% (c) 4% (d) 6%
18. 18.The simple interest on ₹2500 for 5 years is ₹500. What is the rate per year? (a) 20% (b) 5% (c) 3% (d) 4%
19. 19.What is the simple interest on ₹8500 at 8% per year for 3 years? (a) ₹680 (b) ₹2040 (c) ₹2720 (d) ₹10540
20. 20.What is the simple interest on ₹3000 at 5% per year for 2 years? (a) ₹450 (b) ₹3300 (c) ₹300 (d) ₹150
21. 21.₹6500 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹6890 (b) ₹390 (c) ₹7085 (d) ₹6695
22. 22.₹6000 is invested at 11% per year simple interest. What is the amount after 4 years? (a) ₹6660 (b) ₹2640 (c) ₹9300 (d) ₹8640
23. 23.₹7000 is invested at 4% per year simple interest. What is the amount after 5 years? (a) ₹8680 (b) ₹8400 (c) ₹7280 (d) ₹1400
24. 24.₹5500 is invested at 2% per year simple interest. What is the amount after 5 years? (a) ₹6050 (b) ₹6160 (c) ₹550 (d) ₹5610
25. 25.₹5000 is invested at 9% per year simple interest. What is the amount after 5 years? (a) ₹2250 (b) ₹5450 (c) ₹7700 (d) ₹7250
26. 26.In how many years will ₹6000 earn ₹2400 simple interest at 8% per year? (a) 10 years (b) 6 years (c) 4 years (d) 5 years
27. 27.What is the simple interest on ₹5000 at 10% per year for 3 years? (a) ₹500 (b) ₹2000 (c) ₹1500 (d) ₹6500
28. 28.₹1500 is invested at 9% per year simple interest. What is the amount after 2 years? (a) ₹1635 (b) ₹270 (c) ₹1905 (d) ₹1770
29. 29.What is the simple interest on ₹10000 at 8% per year for 2 years? (a) ₹1600 (b) ₹2400 (c) ₹800 (d) ₹11600
30. 30.In how many years will ₹4500 earn ₹1215 simple interest at 9% per year? (a) 4 years (b) 2 years (c) 3 years (d) 6 years
31. 31.₹10000 is invested at 2% per year simple interest. What is the amount after 4 years? (a) ₹11000 (b) ₹10200 (c) ₹10800 (d) ₹800
32. 32.The simple interest on ₹2500 for 4 years is ₹900. What is the rate per year? (a) 8% (b) 9% (c) 36% (d) 10%
33. 33.₹8500 is invested at 12% per year simple interest. What is the amount after 5 years? (a) ₹5100 (b) ₹14620 (c) ₹13600 (d) ₹9520
34. 34.₹4500 is invested at 5% per year simple interest. What is the amount after 5 years? (a) ₹4725 (b) ₹1125 (c) ₹5625 (d) ₹5850
35. 35.In how many years will ₹5000 earn ₹1100 simple interest at 11% per year? (a) 3 years (b) 4 years (c) 2 years (d) 1 year
36. 36.The simple interest on ₹4000 for 2 years is ₹480. What is the rate per year? (a) 7% (b) 5% (c) 12% (d) 6%
37. 37.The simple interest on ₹9000 for 2 years is ₹2160. What is the rate per year? (a) 12% (b) 24% (c) 13% (d) 11%
38. 38.The simple interest on ₹8000 for 2 years is ₹1760. What is the rate per year? (a) 10% (b) 12% (c) 11% (d) 22%
39. 39.₹8500 is invested at 3% per year simple interest. What is the amount after 4 years? (a) ₹1020 (b) ₹8755 (c) ₹9775 (d) ₹9520
40. 40.What is the simple interest on ₹3500 at 5% per year for 2 years? (a) ₹3850 (b) ₹525 (c) ₹350 (d) ₹175

Free maths olympiad lessons, practice and worksheets at talentjr.in/maths-olympiad