Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 170 · 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 ₹6000 earn ₹1440 simple interest at 12% per year? (a) 3 years (b) 4 years (c) 1 year (d) 2 years
2. 2.The simple interest on ₹5000 for 2 years is ₹600. What is the rate per year? (a) 6% (b) 7% (c) 12% (d) 5%
3. 3.The simple interest on ₹1500 for 5 years is ₹450. What is the rate per year? (a) 6% (b) 7% (c) 5% (d) 30%
4. 4.What is the simple interest on ₹3500 at 10% per year for 2 years? (a) ₹700 (b) ₹350 (c) ₹1050 (d) ₹4200
5. 5.₹9500 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹9690 (b) ₹380 (c) ₹9880 (d) ₹10070
6. 6.₹5500 is invested at 2% per year simple interest. What is the amount after 3 years? (a) ₹330 (b) ₹5610 (c) ₹5940 (d) ₹5830
7. 7.In how many years will ₹5000 earn ₹1600 simple interest at 8% per year? (a) 5 years (b) 4 years (c) 3 years (d) 8 years
8. 8.₹8500 is invested at 11% per year simple interest. What is the amount after 3 years? (a) ₹9435 (b) ₹11305 (c) ₹12240 (d) ₹2805
9. 9.₹9000 is invested at 4% per year simple interest. What is the amount after 4 years? (a) ₹9360 (b) ₹1440 (c) ₹10440 (d) ₹10800
10. 10.In how many years will ₹2500 earn ₹150 simple interest at 3% per year? (a) 2 years (b) 4 years (c) 1 year (d) 3 years
11. 11.₹2500 is invested at 6% per year simple interest. What is the amount after 3 years? (a) ₹2650 (b) ₹450 (c) ₹2950 (d) ₹3100
12. 12.₹1500 is invested at 5% per year simple interest. What is the amount after 4 years? (a) ₹1800 (b) ₹300 (c) ₹1875 (d) ₹1575
13. 13.In how many years will ₹5500 earn ₹880 simple interest at 4% per year? (a) 4 years (b) 3 years (c) 8 years (d) 5 years
14. 14.The simple interest on ₹9500 for 4 years is ₹1140. What is the rate per year? (a) 4% (b) 3% (c) 2% (d) 12%
15. 15.In how many years will ₹8000 earn ₹800 simple interest at 5% per year? (a) 2 years (b) 1 year (c) 4 years (d) 3 years
16. 16.In how many years will ₹1500 earn ₹90 simple interest at 3% per year? (a) 4 years (b) 2 years (c) 1 year (d) 3 years
17. 17.In how many years will ₹1500 earn ₹180 simple interest at 3% per year? (a) 3 years (b) 8 years (c) 5 years (d) 4 years
18. 18.What is the simple interest on ₹6000 at 2% per year for 2 years? (a) ₹120 (b) ₹240 (c) ₹6240 (d) ₹360
19. 19.₹3500 is invested at 6% per year simple interest. What is the amount after 3 years? (a) ₹630 (b) ₹3710 (c) ₹4130 (d) ₹4340
20. 20.What is the simple interest on ₹4000 at 2% per year for 5 years? (a) ₹4400 (b) ₹80 (c) ₹400 (d) ₹480
21. 21.The simple interest on ₹10000 for 5 years is ₹5000. What is the rate per year? (a) 10% (b) 50% (c) 9% (d) 11%
22. 22.What is the simple interest on ₹2500 at 6% per year for 2 years? (a) ₹300 (b) ₹450 (c) ₹2800 (d) ₹150
23. 23.In how many years will ₹3000 earn ₹720 simple interest at 6% per year? (a) 5 years (b) 3 years (c) 4 years (d) 8 years
24. 24.In how many years will ₹2500 earn ₹1000 simple interest at 8% per year? (a) 6 years (b) 4 years (c) 5 years (d) 10 years
25. 25.The simple interest on ₹2000 for 5 years is ₹200. What is the rate per year? (a) 3% (b) 10% (c) 1% (d) 2%
26. 26.₹8500 is invested at 2% per year simple interest. What is the amount after 5 years? (a) ₹9520 (b) ₹9350 (c) ₹8670 (d) ₹850
27. 27.In how many years will ₹6000 earn ₹720 simple interest at 4% per year? (a) 6 years (b) 3 years (c) 2 years (d) 4 years
28. 28.What is the simple interest on ₹5000 at 3% per year for 5 years? (a) ₹5750 (b) ₹150 (c) ₹750 (d) ₹900
29. 29.What is the simple interest on ₹2500 at 9% per year for 3 years? (a) ₹225 (b) ₹900 (c) ₹675 (d) ₹3175
30. 30.What is the simple interest on ₹10000 at 3% per year for 2 years? (a) ₹600 (b) ₹10600 (c) ₹900 (d) ₹300
31. 31.In how many years will ₹1500 earn ₹450 simple interest at 10% per year? (a) 3 years (b) 2 years (c) 4 years (d) 6 years
32. 32.₹6500 is invested at 7% per year simple interest. What is the amount after 5 years? (a) ₹2275 (b) ₹9230 (c) ₹6955 (d) ₹8775
33. 33.What is the simple interest on ₹6000 at 8% per year for 2 years? (a) ₹960 (b) ₹480 (c) ₹1440 (d) ₹6960
34. 34.The simple interest on ₹2500 for 3 years is ₹675. What is the rate per year? (a) 27% (b) 8% (c) 10% (d) 9%
35. 35.What is the simple interest on ₹5500 at 8% per year for 2 years? (a) ₹880 (b) ₹6380 (c) ₹440 (d) ₹1320
36. 36.The simple interest on ₹10000 for 5 years is ₹4500. What is the rate per year? (a) 10% (b) 8% (c) 45% (d) 9%
37. 37.The simple interest on ₹4000 for 3 years is ₹480. What is the rate per year? (a) 4% (b) 12% (c) 5% (d) 3%
38. 38.What is the simple interest on ₹7000 at 8% per year for 2 years? (a) ₹560 (b) ₹8120 (c) ₹1120 (d) ₹1680
39. 39.What is the simple interest on ₹4500 at 3% per year for 5 years? (a) ₹135 (b) ₹5175 (c) ₹675 (d) ₹810
40. 40.What is the simple interest on ₹4500 at 10% per year for 4 years? (a) ₹450 (b) ₹6300 (c) ₹2250 (d) ₹1800

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