Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 496 · 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 ₹900 simple interest at 3% per year? (a) 6 years (b) 4 years (c) 3 years (d) 2 years
2. 2.₹6000 is invested at 3% per year simple interest. What is the amount after 3 years? (a) ₹6720 (b) ₹6180 (c) ₹6540 (d) ₹540
3. 3.What is the simple interest on ₹8000 at 8% per year for 4 years? (a) ₹640 (b) ₹10560 (c) ₹2560 (d) ₹3200
4. 4.What is the simple interest on ₹6000 at 11% per year for 4 years? (a) ₹8640 (b) ₹660 (c) ₹2640 (d) ₹3300
5. 5.The simple interest on ₹5000 for 3 years is ₹1350. What is the rate per year? (a) 8% (b) 9% (c) 27% (d) 10%
6. 6.What is the simple interest on ₹2500 at 12% per year for 3 years? (a) ₹3400 (b) ₹300 (c) ₹900 (d) ₹1200
7. 7.The simple interest on ₹1000 for 4 years is ₹120. What is the rate per year? (a) 3% (b) 4% (c) 2% (d) 12%
8. 8.What is the simple interest on ₹7500 at 5% per year for 4 years? (a) ₹9000 (b) ₹375 (c) ₹1875 (d) ₹1500
9. 9.What is the simple interest on ₹7500 at 3% per year for 4 years? (a) ₹225 (b) ₹1125 (c) ₹900 (d) ₹8400
10. 10.What is the simple interest on ₹2000 at 4% per year for 4 years? (a) ₹2320 (b) ₹80 (c) ₹400 (d) ₹320
11. 11.The simple interest on ₹3000 for 2 years is ₹360. What is the rate per year? (a) 6% (b) 5% (c) 12% (d) 7%
12. 12.In how many years will ₹9000 earn ₹1440 simple interest at 8% per year? (a) 3 years (b) 4 years (c) 1 year (d) 2 years
13. 13.₹8000 is invested at 12% per year simple interest. What is the amount after 4 years? (a) ₹11840 (b) ₹8960 (c) ₹12800 (d) ₹3840
14. 14.The simple interest on ₹8000 for 5 years is ₹1600. What is the rate per year? (a) 20% (b) 4% (c) 3% (d) 5%
15. 15.In how many years will ₹9500 earn ₹4750 simple interest at 10% per year? (a) 10 years (b) 5 years (c) 6 years (d) 4 years
16. 16.₹1500 is invested at 4% per year simple interest. What is the amount after 5 years? (a) ₹1560 (b) ₹300 (c) ₹1800 (d) ₹1860
17. 17.What is the simple interest on ₹6500 at 7% per year for 3 years? (a) ₹1820 (b) ₹7865 (c) ₹1365 (d) ₹455
18. 18.In how many years will ₹8000 earn ₹4000 simple interest at 10% per year? (a) 5 years (b) 4 years (c) 10 years (d) 6 years
19. 19.The simple interest on ₹3500 for 2 years is ₹700. What is the rate per year? (a) 10% (b) 9% (c) 20% (d) 11%
20. 20.What is the simple interest on ₹2500 at 3% per year for 5 years? (a) ₹2875 (b) ₹375 (c) ₹75 (d) ₹450
21. 21.₹10000 is invested at 6% per year simple interest. What is the amount after 5 years? (a) ₹10600 (b) ₹13000 (c) ₹3000 (d) ₹13600
22. 22.₹9500 is invested at 6% per year simple interest. What is the amount after 2 years? (a) ₹10640 (b) ₹11210 (c) ₹10070 (d) ₹1140
23. 23.₹9500 is invested at 11% per year simple interest. What is the amount after 5 years? (a) ₹15770 (b) ₹5225 (c) ₹10545 (d) ₹14725
24. 24.₹1500 is invested at 4% per year simple interest. What is the amount after 3 years? (a) ₹180 (b) ₹1680 (c) ₹1740 (d) ₹1560
25. 25.What is the simple interest on ₹4000 at 3% per year for 5 years? (a) ₹120 (b) ₹4600 (c) ₹600 (d) ₹720
26. 26.The simple interest on ₹10000 for 4 years is ₹1600. What is the rate per year? (a) 16% (b) 5% (c) 3% (d) 4%
27. 27.What is the simple interest on ₹4000 at 9% per year for 4 years? (a) ₹5440 (b) ₹360 (c) ₹1800 (d) ₹1440
28. 28.What is the simple interest on ₹7500 at 4% per year for 4 years? (a) ₹1500 (b) ₹1200 (c) ₹8700 (d) ₹300
29. 29.In how many years will ₹1000 earn ₹40 simple interest at 2% per year? (a) 4 years (b) 3 years (c) 2 years (d) 1 year
30. 30.What is the simple interest on ₹7000 at 9% per year for 5 years? (a) ₹630 (b) ₹3780 (c) ₹10150 (d) ₹3150
31. 31.The simple interest on ₹5500 for 2 years is ₹550. What is the rate per year? (a) 5% (b) 4% (c) 10% (d) 6%
32. 32.₹2500 is invested at 12% per year simple interest. What is the amount after 3 years? (a) ₹900 (b) ₹3700 (c) ₹2800 (d) ₹3400
33. 33.₹1000 is invested at 6% per year simple interest. What is the amount after 4 years? (a) ₹1060 (b) ₹240 (c) ₹1240 (d) ₹1300
34. 34.₹3000 is invested at 12% per year simple interest. What is the amount after 2 years? (a) ₹4080 (b) ₹3360 (c) ₹720 (d) ₹3720
35. 35.In how many years will ₹2000 earn ₹600 simple interest at 6% per year? (a) 6 years (b) 10 years (c) 4 years (d) 5 years
36. 36.The simple interest on ₹2500 for 2 years is ₹150. What is the rate per year? (a) 4% (b) 2% (c) 6% (d) 3%
37. 37.What is the simple interest on ₹7000 at 5% per year for 3 years? (a) ₹8050 (b) ₹350 (c) ₹1050 (d) ₹1400
38. 38.In how many years will ₹5500 earn ₹880 simple interest at 8% per year? (a) 3 years (b) 4 years (c) 1 year (d) 2 years
39. 39.The simple interest on ₹1000 for 2 years is ₹140. What is the rate per year? (a) 6% (b) 7% (c) 8% (d) 14%
40. 40.What is the simple interest on ₹3500 at 5% per year for 5 years? (a) ₹875 (b) ₹4375 (c) ₹1050 (d) ₹175

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