Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 682 · 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.What is the simple interest on ₹3500 at 12% per year for 2 years? (a) ₹840 (b) ₹4340 (c) ₹420 (d) ₹1260
2. 2.The simple interest on ₹1500 for 3 years is ₹135. What is the rate per year? (a) 4% (b) 2% (c) 9% (d) 3%
3. 3.What is the simple interest on ₹6000 at 10% per year for 5 years? (a) ₹3000 (b) ₹3600 (c) ₹9000 (d) ₹600
4. 4.What is the simple interest on ₹2500 at 2% per year for 5 years? (a) ₹300 (b) ₹50 (c) ₹250 (d) ₹2750
5. 5.₹7500 is invested at 10% per year simple interest. What is the amount after 2 years? (a) ₹9750 (b) ₹8250 (c) ₹1500 (d) ₹9000
6. 6.₹6000 is invested at 3% per year simple interest. What is the amount after 3 years? (a) ₹540 (b) ₹6540 (c) ₹6720 (d) ₹6180
7. 7.The simple interest on ₹2000 for 4 years is ₹640. What is the rate per year? (a) 7% (b) 9% (c) 32% (d) 8%
8. 8.₹3500 is invested at 6% per year simple interest. What is the amount after 4 years? (a) ₹840 (b) ₹4550 (c) ₹3710 (d) ₹4340
9. 9.In how many years will ₹7500 earn ₹1125 simple interest at 3% per year? (a) 6 years (b) 5 years (c) 4 years (d) 10 years
10. 10.What is the simple interest on ₹8500 at 7% per year for 4 years? (a) ₹2380 (b) ₹10880 (c) ₹595 (d) ₹2975
11. 11.What is the simple interest on ₹4000 at 5% per year for 2 years? (a) ₹400 (b) ₹200 (c) ₹600 (d) ₹4400
12. 12.₹2000 is invested at 2% per year simple interest. What is the amount after 4 years? (a) ₹2040 (b) ₹2160 (c) ₹160 (d) ₹2200
13. 13.What is the simple interest on ₹10000 at 5% per year for 5 years? (a) ₹2500 (b) ₹3000 (c) ₹12500 (d) ₹500
14. 14.In how many years will ₹3000 earn ₹1650 simple interest at 11% per year? (a) 6 years (b) 10 years (c) 4 years (d) 5 years
15. 15.The simple interest on ₹5000 for 4 years is ₹1600. What is the rate per year? (a) 32% (b) 7% (c) 8% (d) 9%
16. 16.The simple interest on ₹2000 for 3 years is ₹240. What is the rate per year? (a) 12% (b) 5% (c) 3% (d) 4%
17. 17.What is the simple interest on ₹6000 at 9% per year for 2 years? (a) ₹1080 (b) ₹7080 (c) ₹1620 (d) ₹540
18. 18.₹6000 is invested at 4% per year simple interest. What is the amount after 5 years? (a) ₹7200 (b) ₹1200 (c) ₹7440 (d) ₹6240
19. 19.₹2500 is invested at 8% per year simple interest. What is the amount after 5 years? (a) ₹3700 (b) ₹2700 (c) ₹3500 (d) ₹1000
20. 20.₹7500 is invested at 5% per year simple interest. What is the amount after 4 years? (a) ₹7875 (b) ₹9375 (c) ₹9000 (d) ₹1500
21. 21.What is the simple interest on ₹4500 at 3% per year for 5 years? (a) ₹5175 (b) ₹810 (c) ₹135 (d) ₹675
22. 22.In how many years will ₹4000 earn ₹360 simple interest at 3% per year? (a) 4 years (b) 3 years (c) 6 years (d) 2 years
23. 23.What is the simple interest on ₹10000 at 8% per year for 4 years? (a) ₹4000 (b) ₹3200 (c) ₹13200 (d) ₹800
24. 24.What is the simple interest on ₹2500 at 5% per year for 2 years? (a) ₹125 (b) ₹2750 (c) ₹375 (d) ₹250
25. 25.The simple interest on ₹2000 for 3 years is ₹720. What is the rate per year? (a) 36% (b) 11% (c) 13% (d) 12%
26. 26.₹1000 is invested at 7% per year simple interest. What is the amount after 2 years? (a) ₹1210 (b) ₹1070 (c) ₹1140 (d) ₹140
27. 27.₹7000 is invested at 10% per year simple interest. What is the amount after 5 years? (a) ₹7700 (b) ₹3500 (c) ₹10500 (d) ₹11200
28. 28.In how many years will ₹5000 earn ₹1200 simple interest at 8% per year? (a) 6 years (b) 2 years (c) 3 years (d) 4 years
29. 29.In how many years will ₹10000 earn ₹800 simple interest at 4% per year? (a) 4 years (b) 3 years (c) 1 year (d) 2 years
30. 30.What is the simple interest on ₹6500 at 2% per year for 3 years? (a) ₹6890 (b) ₹130 (c) ₹520 (d) ₹390
31. 31.In how many years will ₹10000 earn ₹1800 simple interest at 9% per year? (a) 1 year (b) 4 years (c) 2 years (d) 3 years
32. 32.In how many years will ₹7500 earn ₹1650 simple interest at 11% per year? (a) 4 years (b) 2 years (c) 3 years (d) 1 year
33. 33.₹2500 is invested at 11% per year simple interest. What is the amount after 5 years? (a) ₹1375 (b) ₹2775 (c) ₹3875 (d) ₹4150
34. 34.The simple interest on ₹7000 for 3 years is ₹840. What is the rate per year? (a) 4% (b) 5% (c) 12% (d) 3%
35. 35.In how many years will ₹4500 earn ₹945 simple interest at 7% per year? (a) 2 years (b) 4 years (c) 6 years (d) 3 years
36. 36.₹1500 is invested at 7% per year simple interest. What is the amount after 3 years? (a) ₹1815 (b) ₹1605 (c) ₹1920 (d) ₹315
37. 37.The simple interest on ₹5000 for 2 years is ₹700. What is the rate per year? (a) 7% (b) 6% (c) 8% (d) 14%
38. 38.What is the simple interest on ₹7000 at 6% per year for 3 years? (a) ₹1680 (b) ₹8260 (c) ₹1260 (d) ₹420
39. 39.₹7500 is invested at 11% per year simple interest. What is the amount after 2 years? (a) ₹9975 (b) ₹8325 (c) ₹1650 (d) ₹9150
40. 40.In how many years will ₹4000 earn ₹1200 simple interest at 6% per year? (a) 10 years (b) 5 years (c) 6 years (d) 4 years

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