Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 670 · 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 ₹6000 at 4% per year for 2 years? (a) ₹240 (b) ₹720 (c) ₹480 (d) ₹6480
2. 2.₹8000 is invested at 9% per year simple interest. What is the amount after 3 years? (a) ₹10160 (b) ₹8720 (c) ₹2160 (d) ₹10880
3. 3.₹5000 is invested at 4% per year simple interest. What is the amount after 4 years? (a) ₹800 (b) ₹5200 (c) ₹5800 (d) ₹6000
4. 4.The simple interest on ₹8000 for 5 years is ₹3600. What is the rate per year? (a) 8% (b) 10% (c) 9% (d) 45%
5. 5.₹5000 is invested at 6% per year simple interest. What is the amount after 5 years? (a) ₹5300 (b) ₹1500 (c) ₹6500 (d) ₹6800
6. 6.What is the simple interest on ₹8500 at 7% per year for 3 years? (a) ₹10285 (b) ₹2380 (c) ₹1785 (d) ₹595
7. 7.₹9500 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹380 (b) ₹9690 (c) ₹9880 (d) ₹10070
8. 8.In how many years will ₹10000 earn ₹4500 simple interest at 9% per year? (a) 6 years (b) 10 years (c) 4 years (d) 5 years
9. 9.In how many years will ₹9500 earn ₹1995 simple interest at 7% per year? (a) 2 years (b) 3 years (c) 4 years (d) 6 years
10. 10.₹4000 is invested at 7% per year simple interest. What is the amount after 2 years? (a) ₹4560 (b) ₹560 (c) ₹4280 (d) ₹4840
11. 11.₹7000 is invested at 5% per year simple interest. What is the amount after 3 years? (a) ₹1050 (b) ₹8050 (c) ₹7350 (d) ₹8400
12. 12.₹4500 is invested at 12% per year simple interest. What is the amount after 2 years? (a) ₹6120 (b) ₹1080 (c) ₹5580 (d) ₹5040
13. 13.₹5500 is invested at 4% per year simple interest. What is the amount after 5 years? (a) ₹5720 (b) ₹6820 (c) ₹6600 (d) ₹1100
14. 14.The simple interest on ₹2000 for 4 years is ₹320. What is the rate per year? (a) 3% (b) 5% (c) 4% (d) 16%
15. 15.In how many years will ₹1500 earn ₹300 simple interest at 4% per year? (a) 5 years (b) 10 years (c) 6 years (d) 4 years
16. 16.The simple interest on ₹9500 for 5 years is ₹1900. What is the rate per year? (a) 5% (b) 3% (c) 4% (d) 20%
17. 17.The simple interest on ₹4000 for 2 years is ₹720. What is the rate per year? (a) 18% (b) 10% (c) 9% (d) 8%
18. 18.What is the simple interest on ₹5500 at 4% per year for 2 years? (a) ₹440 (b) ₹660 (c) ₹220 (d) ₹5940
19. 19.What is the simple interest on ₹4500 at 8% per year for 2 years? (a) ₹1080 (b) ₹5220 (c) ₹360 (d) ₹720
20. 20.The simple interest on ₹3000 for 2 years is ₹180. What is the rate per year? (a) 2% (b) 6% (c) 4% (d) 3%
21. 21.What is the simple interest on ₹8000 at 8% per year for 2 years? (a) ₹640 (b) ₹1280 (c) ₹1920 (d) ₹9280
22. 22.The simple interest on ₹2000 for 5 years is ₹600. What is the rate per year? (a) 30% (b) 6% (c) 7% (d) 5%
23. 23.₹2500 is invested at 11% per year simple interest. What is the amount after 5 years? (a) ₹2775 (b) ₹4150 (c) ₹1375 (d) ₹3875
24. 24.₹3000 is invested at 10% per year simple interest. What is the amount after 3 years? (a) ₹900 (b) ₹3300 (c) ₹4200 (d) ₹3900
25. 25.The simple interest on ₹2500 for 2 years is ₹350. What is the rate per year? (a) 6% (b) 7% (c) 14% (d) 8%
26. 26.₹3000 is invested at 12% per year simple interest. What is the amount after 3 years? (a) ₹3360 (b) ₹4440 (c) ₹4080 (d) ₹1080
27. 27.What is the simple interest on ₹6000 at 2% per year for 5 years? (a) ₹6600 (b) ₹720 (c) ₹120 (d) ₹600
28. 28.₹1500 is invested at 9% per year simple interest. What is the amount after 2 years? (a) ₹1905 (b) ₹1770 (c) ₹270 (d) ₹1635
29. 29.In how many years will ₹2500 earn ₹250 simple interest at 2% per year? (a) 6 years (b) 5 years (c) 4 years (d) 10 years
30. 30.What is the simple interest on ₹7000 at 6% per year for 2 years? (a) ₹1260 (b) ₹7840 (c) ₹420 (d) ₹840
31. 31.What is the simple interest on ₹6000 at 5% per year for 4 years? (a) ₹300 (b) ₹1200 (c) ₹7200 (d) ₹1500
32. 32.₹6000 is invested at 7% per year simple interest. What is the amount after 4 years? (a) ₹1680 (b) ₹8100 (c) ₹6420 (d) ₹7680
33. 33.What is the simple interest on ₹9000 at 6% per year for 5 years? (a) ₹11700 (b) ₹3240 (c) ₹2700 (d) ₹540
34. 34.What is the simple interest on ₹3000 at 9% per year for 5 years? (a) ₹4350 (b) ₹1620 (c) ₹270 (d) ₹1350
35. 35.The simple interest on ₹7500 for 2 years is ₹1500. What is the rate per year? (a) 20% (b) 11% (c) 10% (d) 9%
36. 36.The simple interest on ₹8000 for 4 years is ₹2240. What is the rate per year? (a) 28% (b) 6% (c) 8% (d) 7%
37. 37.The simple interest on ₹6500 for 5 years is ₹1300. What is the rate per year? (a) 3% (b) 20% (c) 5% (d) 4%
38. 38.In how many years will ₹7000 earn ₹420 simple interest at 2% per year? (a) 6 years (b) 3 years (c) 4 years (d) 2 years
39. 39.What is the simple interest on ₹2500 at 2% per year for 2 years? (a) ₹150 (b) ₹100 (c) ₹50 (d) ₹2600
40. 40.The simple interest on ₹9500 for 3 years is ₹3420. What is the rate per year? (a) 12% (b) 11% (c) 13% (d) 36%

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