Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 950 · 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 ₹8000 earn ₹2400 simple interest at 10% per year? (a) 3 years (b) 6 years (c) 4 years (d) 2 years
2. 2.What is the simple interest on ₹6500 at 3% per year for 5 years? (a) ₹1170 (b) ₹975 (c) ₹195 (d) ₹7475
3. 3.In how many years will ₹2000 earn ₹80 simple interest at 2% per year? (a) 3 years (b) 4 years (c) 1 year (d) 2 years
4. 4.₹9500 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹10355 (b) ₹9785 (c) ₹10070 (d) ₹570
5. 5.What is the simple interest on ₹2500 at 8% per year for 2 years? (a) ₹600 (b) ₹2900 (c) ₹400 (d) ₹200
6. 6.What is the simple interest on ₹1000 at 4% per year for 3 years? (a) ₹120 (b) ₹1120 (c) ₹160 (d) ₹40
7. 7.What is the simple interest on ₹3500 at 3% per year for 4 years? (a) ₹3920 (b) ₹420 (c) ₹105 (d) ₹525
8. 8.What is the simple interest on ₹2000 at 8% per year for 2 years? (a) ₹320 (b) ₹160 (c) ₹2320 (d) ₹480
9. 9.What is the simple interest on ₹2500 at 10% per year for 2 years? (a) ₹250 (b) ₹3000 (c) ₹750 (d) ₹500
10. 10.In how many years will ₹8000 earn ₹4000 simple interest at 10% per year? (a) 6 years (b) 10 years (c) 4 years (d) 5 years
11. 11.In how many years will ₹1000 earn ₹180 simple interest at 9% per year? (a) 1 year (b) 4 years (c) 3 years (d) 2 years
12. 12.What is the simple interest on ₹1500 at 12% per year for 2 years? (a) ₹1860 (b) ₹360 (c) ₹180 (d) ₹540
13. 13.In how many years will ₹8000 earn ₹1920 simple interest at 8% per year? (a) 3 years (b) 6 years (c) 2 years (d) 4 years
14. 14.₹10000 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹10200 (b) ₹10600 (c) ₹400 (d) ₹10400
15. 15.₹8500 is invested at 3% per year simple interest. What is the amount after 5 years? (a) ₹9775 (b) ₹8755 (c) ₹10030 (d) ₹1275
16. 16.₹8500 is invested at 9% per year simple interest. What is the amount after 4 years? (a) ₹9265 (b) ₹3060 (c) ₹11560 (d) ₹12325
17. 17.₹1000 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹1060 (b) ₹1020 (c) ₹40 (d) ₹1040
18. 18.What is the simple interest on ₹7500 at 8% per year for 5 years? (a) ₹3600 (b) ₹3000 (c) ₹600 (d) ₹10500
19. 19.₹1500 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹1545 (b) ₹1635 (c) ₹1590 (d) ₹90
20. 20.In how many years will ₹7500 earn ₹2025 simple interest at 9% per year? (a) 6 years (b) 4 years (c) 3 years (d) 2 years
21. 21.What is the simple interest on ₹4000 at 12% per year for 2 years? (a) ₹1440 (b) ₹4960 (c) ₹480 (d) ₹960
22. 22.What is the simple interest on ₹1500 at 9% per year for 4 years? (a) ₹675 (b) ₹2040 (c) ₹540 (d) ₹135
23. 23.In how many years will ₹6000 earn ₹900 simple interest at 3% per year? (a) 10 years (b) 5 years (c) 6 years (d) 4 years
24. 24.In how many years will ₹3000 earn ₹1500 simple interest at 10% per year? (a) 6 years (b) 4 years (c) 5 years (d) 10 years
25. 25.₹5000 is invested at 9% per year simple interest. What is the amount after 2 years? (a) ₹900 (b) ₹5450 (c) ₹5900 (d) ₹6350
26. 26.In how many years will ₹7000 earn ₹840 simple interest at 3% per year? (a) 4 years (b) 5 years (c) 3 years (d) 8 years
27. 27.What is the simple interest on ₹2500 at 2% per year for 2 years? (a) ₹150 (b) ₹100 (c) ₹2600 (d) ₹50
28. 28.In how many years will ₹8000 earn ₹1920 simple interest at 12% per year? (a) 3 years (b) 1 year (c) 2 years (d) 4 years
29. 29.The simple interest on ₹3000 for 2 years is ₹240. What is the rate per year? (a) 5% (b) 8% (c) 3% (d) 4%
30. 30.₹8000 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹480 (b) ₹8720 (c) ₹8480 (d) ₹8240
31. 31.What is the simple interest on ₹4000 at 3% per year for 4 years? (a) ₹480 (b) ₹4480 (c) ₹600 (d) ₹120
32. 32.In how many years will ₹1500 earn ₹180 simple interest at 3% per year? (a) 3 years (b) 4 years (c) 5 years (d) 8 years
33. 33.In how many years will ₹10000 earn ₹3200 simple interest at 8% per year? (a) 5 years (b) 3 years (c) 8 years (d) 4 years
34. 34.In how many years will ₹5500 earn ₹440 simple interest at 4% per year? (a) 1 year (b) 4 years (c) 2 years (d) 3 years
35. 35.In how many years will ₹2500 earn ₹225 simple interest at 3% per year? (a) 2 years (b) 4 years (c) 6 years (d) 3 years
36. 36.The simple interest on ₹4000 for 4 years is ₹1280. What is the rate per year? (a) 9% (b) 7% (c) 32% (d) 8%
37. 37.What is the simple interest on ₹5500 at 12% per year for 2 years? (a) ₹1980 (b) ₹1320 (c) ₹6820 (d) ₹660
38. 38.What is the simple interest on ₹9500 at 9% per year for 3 years? (a) ₹2565 (b) ₹3420 (c) ₹855 (d) ₹12065
39. 39.₹6000 is invested at 5% per year simple interest. What is the amount after 2 years? (a) ₹6300 (b) ₹600 (c) ₹6600 (d) ₹6900
40. 40.The simple interest on ₹1500 for 3 years is ₹135. What is the rate per year? (a) 2% (b) 3% (c) 9% (d) 4%

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