Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 390 · 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 ₹8500 earn ₹2550 simple interest at 6% per year? (a) 4 years (b) 6 years (c) 10 years (d) 5 years
2. 2.₹6500 is invested at 6% per year simple interest. What is the amount after 2 years? (a) ₹7670 (b) ₹7280 (c) ₹6890 (d) ₹780
3. 3.₹8500 is invested at 3% per year simple interest. What is the amount after 4 years? (a) ₹8755 (b) ₹9775 (c) ₹9520 (d) ₹1020
4. 4.The simple interest on ₹2000 for 4 years is ₹800. What is the rate per year? (a) 10% (b) 9% (c) 40% (d) 11%
5. 5.What is the simple interest on ₹2500 at 3% per year for 2 years? (a) ₹225 (b) ₹2650 (c) ₹75 (d) ₹150
6. 6.₹1000 is invested at 10% per year simple interest. What is the amount after 5 years? (a) ₹500 (b) ₹1600 (c) ₹1100 (d) ₹1500
7. 7.In how many years will ₹3000 earn ₹720 simple interest at 12% per year? (a) 4 years (b) 2 years (c) 3 years (d) 1 year
8. 8.What is the simple interest on ₹10000 at 8% per year for 2 years? (a) ₹2400 (b) ₹11600 (c) ₹800 (d) ₹1600
9. 9.₹4000 is invested at 7% per year simple interest. What is the amount after 3 years? (a) ₹4280 (b) ₹840 (c) ₹5120 (d) ₹4840
10. 10.₹10000 is invested at 8% per year simple interest. What is the amount after 2 years? (a) ₹1600 (b) ₹11600 (c) ₹10800 (d) ₹12400
11. 11.The simple interest on ₹10000 for 4 years is ₹1600. What is the rate per year? (a) 5% (b) 3% (c) 16% (d) 4%
12. 12.₹7000 is invested at 6% per year simple interest. What is the amount after 5 years? (a) ₹7420 (b) ₹9520 (c) ₹2100 (d) ₹9100
13. 13.₹3000 is invested at 12% per year simple interest. What is the amount after 5 years? (a) ₹4800 (b) ₹1800 (c) ₹3360 (d) ₹5160
14. 14.In how many years will ₹2500 earn ₹825 simple interest at 11% per year? (a) 2 years (b) 4 years (c) 6 years (d) 3 years
15. 15.In how many years will ₹6500 earn ₹1300 simple interest at 10% per year? (a) 2 years (b) 1 year (c) 4 years (d) 3 years
16. 16.₹4000 is invested at 7% per year simple interest. What is the amount after 2 years? (a) ₹560 (b) ₹4840 (c) ₹4280 (d) ₹4560
17. 17.The simple interest on ₹1500 for 3 years is ₹495. What is the rate per year? (a) 33% (b) 11% (c) 12% (d) 10%
18. 18.The simple interest on ₹8500 for 3 years is ₹1020. What is the rate per year? (a) 3% (b) 4% (c) 5% (d) 12%
19. 19.₹9000 is invested at 9% per year simple interest. What is the amount after 3 years? (a) ₹12240 (b) ₹9810 (c) ₹2430 (d) ₹11430
20. 20.₹6500 is invested at 10% per year simple interest. What is the amount after 4 years? (a) ₹9750 (b) ₹7150 (c) ₹2600 (d) ₹9100
21. 21.₹9000 is invested at 5% per year simple interest. What is the amount after 3 years? (a) ₹9450 (b) ₹10350 (c) ₹10800 (d) ₹1350
22. 22.The simple interest on ₹10000 for 3 years is ₹600. What is the rate per year? (a) 6% (b) 2% (c) 3% (d) 1%
23. 23.In how many years will ₹9000 earn ₹540 simple interest at 3% per year? (a) 3 years (b) 1 year (c) 2 years (d) 4 years
24. 24.What is the simple interest on ₹1000 at 2% per year for 2 years? (a) ₹60 (b) ₹1040 (c) ₹20 (d) ₹40
25. 25.The simple interest on ₹9000 for 2 years is ₹1980. What is the rate per year? (a) 11% (b) 12% (c) 22% (d) 10%
26. 26.In how many years will ₹5000 earn ₹900 simple interest at 9% per year? (a) 1 year (b) 3 years (c) 2 years (d) 4 years
27. 27.What is the simple interest on ₹2500 at 5% per year for 2 years? (a) ₹250 (b) ₹125 (c) ₹2750 (d) ₹375
28. 28.In how many years will ₹5000 earn ₹500 simple interest at 5% per year? (a) 1 year (b) 2 years (c) 3 years (d) 4 years
29. 29.What is the simple interest on ₹10000 at 4% per year for 2 years? (a) ₹10800 (b) ₹400 (c) ₹800 (d) ₹1200
30. 30.The simple interest on ₹9000 for 3 years is ₹2970. What is the rate per year? (a) 33% (b) 10% (c) 11% (d) 12%
31. 31.What is the simple interest on ₹3000 at 8% per year for 5 years? (a) ₹1440 (b) ₹1200 (c) ₹240 (d) ₹4200
32. 32.What is the simple interest on ₹1500 at 10% per year for 4 years? (a) ₹750 (b) ₹2100 (c) ₹150 (d) ₹600
33. 33.In how many years will ₹2000 earn ₹1000 simple interest at 10% per year? (a) 4 years (b) 6 years (c) 5 years (d) 10 years
34. 34.What is the simple interest on ₹2000 at 5% per year for 5 years? (a) ₹600 (b) ₹500 (c) ₹2500 (d) ₹100
35. 35.₹4500 is invested at 8% per year simple interest. What is the amount after 3 years? (a) ₹5580 (b) ₹1080 (c) ₹5940 (d) ₹4860
36. 36.What is the simple interest on ₹6000 at 9% per year for 4 years? (a) ₹2160 (b) ₹8160 (c) ₹540 (d) ₹2700
37. 37.What is the simple interest on ₹3500 at 8% per year for 2 years? (a) ₹4060 (b) ₹840 (c) ₹560 (d) ₹280
38. 38.What is the simple interest on ₹1500 at 6% per year for 2 years? (a) ₹180 (b) ₹1680 (c) ₹270 (d) ₹90
39. 39.₹2500 is invested at 10% per year simple interest. What is the amount after 4 years? (a) ₹3500 (b) ₹1000 (c) ₹3750 (d) ₹2750
40. 40.In how many years will ₹1000 earn ₹270 simple interest at 9% per year? (a) 2 years (b) 4 years (c) 3 years (d) 6 years

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