Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 435 · 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 ₹3000 at 4% per year for 4 years? (a) ₹600 (b) ₹3480 (c) ₹120 (d) ₹480
2. 2.What is the simple interest on ₹4500 at 6% per year for 4 years? (a) ₹1350 (b) ₹270 (c) ₹1080 (d) ₹5580
3. 3.In how many years will ₹8500 earn ₹5100 simple interest at 12% per year? (a) 5 years (b) 6 years (c) 10 years (d) 4 years
4. 4.₹7500 is invested at 8% per year simple interest. What is the amount after 3 years? (a) ₹9300 (b) ₹8100 (c) ₹1800 (d) ₹9900
5. 5.The simple interest on ₹8500 for 2 years is ₹850. What is the rate per year? (a) 4% (b) 10% (c) 5% (d) 6%
6. 6.₹8500 is invested at 8% per year simple interest. What is the amount after 5 years? (a) ₹12580 (b) ₹3400 (c) ₹11900 (d) ₹9180
7. 7.In how many years will ₹1500 earn ₹225 simple interest at 5% per year? (a) 4 years (b) 2 years (c) 6 years (d) 3 years
8. 8.What is the simple interest on ₹3500 at 12% per year for 4 years? (a) ₹5180 (b) ₹420 (c) ₹1680 (d) ₹2100
9. 9.₹3500 is invested at 5% per year simple interest. What is the amount after 4 years? (a) ₹4200 (b) ₹700 (c) ₹3675 (d) ₹4375
10. 10.₹2500 is invested at 11% per year simple interest. What is the amount after 4 years? (a) ₹2775 (b) ₹1100 (c) ₹3875 (d) ₹3600
11. 11.In how many years will ₹5500 earn ₹1100 simple interest at 4% per year? (a) 4 years (b) 10 years (c) 6 years (d) 5 years
12. 12.What is the simple interest on ₹5000 at 8% per year for 4 years? (a) ₹6600 (b) ₹2000 (c) ₹1600 (d) ₹400
13. 13.The simple interest on ₹7000 for 5 years is ₹1050. What is the rate per year? (a) 3% (b) 4% (c) 2% (d) 15%
14. 14.What is the simple interest on ₹1500 at 12% per year for 3 years? (a) ₹180 (b) ₹2040 (c) ₹540 (d) ₹720
15. 15.The simple interest on ₹1500 for 2 years is ₹60. What is the rate per year? (a) 4% (b) 3% (c) 1% (d) 2%
16. 16.What is the simple interest on ₹5000 at 12% per year for 3 years? (a) ₹600 (b) ₹6800 (c) ₹2400 (d) ₹1800
17. 17.In how many years will ₹8500 earn ₹2975 simple interest at 7% per year? (a) 6 years (b) 5 years (c) 4 years (d) 10 years
18. 18.The simple interest on ₹4000 for 4 years is ₹480. What is the rate per year? (a) 2% (b) 12% (c) 4% (d) 3%
19. 19.What is the simple interest on ₹6500 at 8% per year for 5 years? (a) ₹3120 (b) ₹520 (c) ₹2600 (d) ₹9100
20. 20.The simple interest on ₹6000 for 2 years is ₹1320. What is the rate per year? (a) 10% (b) 22% (c) 11% (d) 12%
21. 21.₹6500 is invested at 10% per year simple interest. What is the amount after 3 years? (a) ₹7150 (b) ₹8450 (c) ₹9100 (d) ₹1950
22. 22.₹4000 is invested at 9% per year simple interest. What is the amount after 3 years? (a) ₹4360 (b) ₹5440 (c) ₹1080 (d) ₹5080
23. 23.₹4000 is invested at 11% per year simple interest. What is the amount after 2 years? (a) ₹4440 (b) ₹4880 (c) ₹880 (d) ₹5320
24. 24.The simple interest on ₹7000 for 3 years is ₹1680. What is the rate per year? (a) 9% (b) 7% (c) 24% (d) 8%
25. 25.What is the simple interest on ₹4000 at 8% per year for 4 years? (a) ₹1280 (b) ₹320 (c) ₹1600 (d) ₹5280
26. 26.What is the simple interest on ₹4500 at 7% per year for 4 years? (a) ₹315 (b) ₹1575 (c) ₹5760 (d) ₹1260
27. 27.₹2000 is invested at 4% per year simple interest. What is the amount after 5 years? (a) ₹2480 (b) ₹400 (c) ₹2080 (d) ₹2400
28. 28.In how many years will ₹2000 earn ₹720 simple interest at 9% per year? (a) 5 years (b) 3 years (c) 8 years (d) 4 years
29. 29.In how many years will ₹6500 earn ₹2600 simple interest at 10% per year? (a) 3 years (b) 8 years (c) 4 years (d) 5 years
30. 30.₹10000 is invested at 6% per year simple interest. What is the amount after 3 years? (a) ₹10600 (b) ₹11800 (c) ₹1800 (d) ₹12400
31. 31.In how many years will ₹9000 earn ₹2160 simple interest at 6% per year? (a) 5 years (b) 3 years (c) 4 years (d) 8 years
32. 32.The simple interest on ₹6000 for 2 years is ₹840. What is the rate per year? (a) 7% (b) 14% (c) 6% (d) 8%
33. 33.The simple interest on ₹5500 for 2 years is ₹220. What is the rate per year? (a) 3% (b) 4% (c) 2% (d) 1%
34. 34.The simple interest on ₹4000 for 3 years is ₹600. What is the rate per year? (a) 15% (b) 4% (c) 6% (d) 5%
35. 35.What is the simple interest on ₹3000 at 3% per year for 5 years? (a) ₹540 (b) ₹90 (c) ₹3450 (d) ₹450
36. 36.In how many years will ₹2000 earn ₹700 simple interest at 7% per year? (a) 10 years (b) 5 years (c) 6 years (d) 4 years
37. 37.₹3000 is invested at 10% per year simple interest. What is the amount after 4 years? (a) ₹4500 (b) ₹1200 (c) ₹3300 (d) ₹4200
38. 38.The simple interest on ₹8500 for 3 years is ₹1530. What is the rate per year? (a) 7% (b) 18% (c) 6% (d) 5%
39. 39.What is the simple interest on ₹8000 at 5% per year for 5 years? (a) ₹10000 (b) ₹2400 (c) ₹2000 (d) ₹400
40. 40.₹2500 is invested at 4% per year simple interest. What is the amount after 5 years? (a) ₹500 (b) ₹2600 (c) ₹3100 (d) ₹3000

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