Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 245 · 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.₹3000 is invested at 4% per year simple interest. What is the amount after 3 years? (a) ₹360 (b) ₹3480 (c) ₹3360 (d) ₹3120
2. 2.In how many years will ₹1000 earn ₹150 simple interest at 5% per year? (a) 3 years (b) 2 years (c) 6 years (d) 4 years
3. 3.What is the simple interest on ₹6500 at 2% per year for 5 years? (a) ₹650 (b) ₹780 (c) ₹130 (d) ₹7150
4. 4.What is the simple interest on ₹2500 at 11% per year for 3 years? (a) ₹3325 (b) ₹275 (c) ₹1100 (d) ₹825
5. 5.The simple interest on ₹4500 for 2 years is ₹810. What is the rate per year? (a) 8% (b) 10% (c) 9% (d) 18%
6. 6.₹5000 is invested at 3% per year simple interest. What is the amount after 5 years? (a) ₹5900 (b) ₹5150 (c) ₹750 (d) ₹5750
7. 7.₹2500 is invested at 6% per year simple interest. What is the amount after 2 years? (a) ₹2950 (b) ₹300 (c) ₹2800 (d) ₹2650
8. 8.What is the simple interest on ₹8500 at 10% per year for 2 years? (a) ₹10200 (b) ₹2550 (c) ₹850 (d) ₹1700
9. 9.₹1500 is invested at 4% per year simple interest. What is the amount after 3 years? (a) ₹1560 (b) ₹1680 (c) ₹180 (d) ₹1740
10. 10.What is the simple interest on ₹8000 at 5% per year for 2 years? (a) ₹400 (b) ₹800 (c) ₹8800 (d) ₹1200
11. 11.The simple interest on ₹1000 for 4 years is ₹360. What is the rate per year? (a) 9% (b) 8% (c) 10% (d) 36%
12. 12.What is the simple interest on ₹4500 at 10% per year for 5 years? (a) ₹450 (b) ₹2700 (c) ₹2250 (d) ₹6750
13. 13.The simple interest on ₹2500 for 4 years is ₹1000. What is the rate per year? (a) 9% (b) 40% (c) 10% (d) 11%
14. 14.The simple interest on ₹6500 for 4 years is ₹1040. What is the rate per year? (a) 3% (b) 4% (c) 5% (d) 16%
15. 15.What is the simple interest on ₹2000 at 2% per year for 3 years? (a) ₹40 (b) ₹2120 (c) ₹120 (d) ₹160
16. 16.What is the simple interest on ₹1000 at 3% per year for 5 years? (a) ₹180 (b) ₹1150 (c) ₹150 (d) ₹30
17. 17.In how many years will ₹1500 earn ₹60 simple interest at 2% per year? (a) 4 years (b) 2 years (c) 1 year (d) 3 years
18. 18.The simple interest on ₹8500 for 2 years is ₹340. What is the rate per year? (a) 1% (b) 3% (c) 2% (d) 4%
19. 19.₹1500 is invested at 10% per year simple interest. What is the amount after 3 years? (a) ₹450 (b) ₹1650 (c) ₹1950 (d) ₹2100
20. 20.In how many years will ₹4500 earn ₹810 simple interest at 6% per year? (a) 2 years (b) 4 years (c) 3 years (d) 6 years
21. 21.₹1000 is invested at 10% per year simple interest. What is the amount after 3 years? (a) ₹1100 (b) ₹300 (c) ₹1400 (d) ₹1300
22. 22.What is the simple interest on ₹8500 at 11% per year for 4 years? (a) ₹935 (b) ₹12240 (c) ₹4675 (d) ₹3740
23. 23.What is the simple interest on ₹9500 at 11% per year for 2 years? (a) ₹11590 (b) ₹1045 (c) ₹2090 (d) ₹3135
24. 24.₹1000 is invested at 4% per year simple interest. What is the amount after 5 years? (a) ₹1200 (b) ₹1040 (c) ₹1240 (d) ₹200
25. 25.In how many years will ₹2000 earn ₹240 simple interest at 4% per year? (a) 3 years (b) 6 years (c) 4 years (d) 2 years
26. 26.What is the simple interest on ₹4000 at 2% per year for 5 years? (a) ₹400 (b) ₹80 (c) ₹480 (d) ₹4400
27. 27.The simple interest on ₹6000 for 2 years is ₹1440. What is the rate per year? (a) 11% (b) 13% (c) 12% (d) 24%
28. 28.What is the simple interest on ₹9000 at 11% per year for 3 years? (a) ₹11970 (b) ₹3960 (c) ₹990 (d) ₹2970
29. 29.In how many years will ₹1500 earn ₹540 simple interest at 12% per year? (a) 4 years (b) 6 years (c) 2 years (d) 3 years
30. 30.What is the simple interest on ₹3000 at 2% per year for 5 years? (a) ₹3300 (b) ₹360 (c) ₹300 (d) ₹60
31. 31.What is the simple interest on ₹10000 at 9% per year for 5 years? (a) ₹900 (b) ₹5400 (c) ₹4500 (d) ₹14500
32. 32.In how many years will ₹1500 earn ₹240 simple interest at 8% per year? (a) 2 years (b) 1 year (c) 3 years (d) 4 years
33. 33.₹2000 is invested at 9% per year simple interest. What is the amount after 4 years? (a) ₹2180 (b) ₹2900 (c) ₹720 (d) ₹2720
34. 34.What is the simple interest on ₹3000 at 5% per year for 4 years? (a) ₹150 (b) ₹600 (c) ₹750 (d) ₹3600
35. 35.₹1500 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹1590 (b) ₹1530 (c) ₹60 (d) ₹1560
36. 36.The simple interest on ₹1000 for 2 years is ₹120. What is the rate per year? (a) 12% (b) 7% (c) 6% (d) 5%
37. 37.In how many years will ₹7000 earn ₹2520 simple interest at 12% per year? (a) 6 years (b) 3 years (c) 2 years (d) 4 years
38. 38.The simple interest on ₹3500 for 5 years is ₹1925. What is the rate per year? (a) 10% (b) 12% (c) 11% (d) 55%
39. 39.What is the simple interest on ₹5500 at 11% per year for 5 years? (a) ₹605 (b) ₹3630 (c) ₹8525 (d) ₹3025
40. 40.In how many years will ₹1000 earn ₹160 simple interest at 4% per year? (a) 4 years (b) 8 years (c) 5 years (d) 3 years

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