Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 472 · 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.₹10000 is invested at 8% per year simple interest. What is the amount after 5 years? (a) ₹10800 (b) ₹14800 (c) ₹14000 (d) ₹4000
2. 2.In how many years will ₹5500 earn ₹3300 simple interest at 12% per year? (a) 6 years (b) 5 years (c) 10 years (d) 4 years
3. 3.What is the simple interest on ₹3500 at 9% per year for 3 years? (a) ₹1260 (b) ₹945 (c) ₹315 (d) ₹4445
4. 4.What is the simple interest on ₹9000 at 4% per year for 3 years? (a) ₹1080 (b) ₹360 (c) ₹1440 (d) ₹10080
5. 5.What is the simple interest on ₹2500 at 9% per year for 3 years? (a) ₹3175 (b) ₹675 (c) ₹225 (d) ₹900
6. 6.What is the simple interest on ₹6500 at 8% per year for 2 years? (a) ₹520 (b) ₹1560 (c) ₹7540 (d) ₹1040
7. 7.The simple interest on ₹5500 for 5 years is ₹1650. What is the rate per year? (a) 7% (b) 30% (c) 5% (d) 6%
8. 8.The simple interest on ₹7500 for 3 years is ₹900. What is the rate per year? (a) 3% (b) 4% (c) 5% (d) 12%
9. 9.The simple interest on ₹3000 for 5 years is ₹300. What is the rate per year? (a) 10% (b) 3% (c) 1% (d) 2%
10. 10.₹2500 is invested at 8% per year simple interest. What is the amount after 5 years? (a) ₹3700 (b) ₹3500 (c) ₹1000 (d) ₹2700
11. 11.₹7500 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹8400 (b) ₹600 (c) ₹8100 (d) ₹7800
12. 12.What is the simple interest on ₹6500 at 3% per year for 2 years? (a) ₹195 (b) ₹585 (c) ₹6890 (d) ₹390
13. 13.₹4500 is invested at 5% per year simple interest. What is the amount after 2 years? (a) ₹4950 (b) ₹450 (c) ₹4725 (d) ₹5175
14. 14.The simple interest on ₹8000 for 4 years is ₹2240. What is the rate per year? (a) 7% (b) 6% (c) 8% (d) 28%
15. 15.In how many years will ₹8000 earn ₹2560 simple interest at 8% per year? (a) 4 years (b) 5 years (c) 3 years (d) 8 years
16. 16.₹7000 is invested at 8% per year simple interest. What is the amount after 2 years? (a) ₹7560 (b) ₹8680 (c) ₹8120 (d) ₹1120
17. 17.The simple interest on ₹8000 for 2 years is ₹1440. What is the rate per year? (a) 18% (b) 10% (c) 8% (d) 9%
18. 18.What is the simple interest on ₹4500 at 5% per year for 5 years? (a) ₹1350 (b) ₹225 (c) ₹1125 (d) ₹5625
19. 19.₹2000 is invested at 8% per year simple interest. What is the amount after 2 years? (a) ₹2160 (b) ₹2480 (c) ₹2320 (d) ₹320
20. 20.The simple interest on ₹7500 for 4 years is ₹2400. What is the rate per year? (a) 32% (b) 8% (c) 7% (d) 9%
21. 21.What is the simple interest on ₹3000 at 5% per year for 3 years? (a) ₹150 (b) ₹3450 (c) ₹450 (d) ₹600
22. 22.In how many years will ₹9000 earn ₹1620 simple interest at 9% per year? (a) 4 years (b) 3 years (c) 1 year (d) 2 years
23. 23.What is the simple interest on ₹1000 at 9% per year for 4 years? (a) ₹1360 (b) ₹90 (c) ₹450 (d) ₹360
24. 24.In how many years will ₹10000 earn ₹4000 simple interest at 10% per year? (a) 8 years (b) 5 years (c) 4 years (d) 3 years
25. 25.The simple interest on ₹7500 for 4 years is ₹1800. What is the rate per year? (a) 6% (b) 24% (c) 5% (d) 7%
26. 26.In how many years will ₹5000 earn ₹300 simple interest at 3% per year? (a) 3 years (b) 2 years (c) 1 year (d) 4 years
27. 27.₹4500 is invested at 6% per year simple interest. What is the amount after 2 years? (a) ₹4770 (b) ₹540 (c) ₹5040 (d) ₹5310
28. 28.₹5000 is invested at 7% per year simple interest. What is the amount after 2 years? (a) ₹5700 (b) ₹700 (c) ₹5350 (d) ₹6050
29. 29.₹1000 is invested at 12% per year simple interest. What is the amount after 5 years? (a) ₹1600 (b) ₹600 (c) ₹1720 (d) ₹1120
30. 30.The simple interest on ₹3500 for 5 years is ₹1750. What is the rate per year? (a) 11% (b) 9% (c) 10% (d) 50%
31. 31.In how many years will ₹6000 earn ₹1800 simple interest at 6% per year? (a) 10 years (b) 4 years (c) 5 years (d) 6 years
32. 32.₹2000 is invested at 3% per year simple interest. What is the amount after 4 years? (a) ₹2300 (b) ₹2240 (c) ₹2060 (d) ₹240
33. 33.What is the simple interest on ₹6000 at 3% per year for 5 years? (a) ₹180 (b) ₹900 (c) ₹1080 (d) ₹6900
34. 34.The simple interest on ₹9500 for 2 years is ₹570. What is the rate per year? (a) 3% (b) 6% (c) 4% (d) 2%
35. 35.The simple interest on ₹2500 for 3 years is ₹525. What is the rate per year? (a) 8% (b) 6% (c) 7% (d) 21%
36. 36.What is the simple interest on ₹1500 at 11% per year for 2 years? (a) ₹165 (b) ₹495 (c) ₹1830 (d) ₹330
37. 37.In how many years will ₹9500 earn ₹1710 simple interest at 9% per year? (a) 1 year (b) 3 years (c) 4 years (d) 2 years
38. 38.The simple interest on ₹3000 for 5 years is ₹1800. What is the rate per year? (a) 11% (b) 60% (c) 12% (d) 13%
39. 39.What is the simple interest on ₹3500 at 9% per year for 5 years? (a) ₹1575 (b) ₹5075 (c) ₹315 (d) ₹1890
40. 40.In how many years will ₹8000 earn ₹1920 simple interest at 8% per year? (a) 6 years (b) 3 years (c) 4 years (d) 2 years

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