Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 368 · 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 3 years? (a) ₹360 (b) ₹480 (c) ₹120 (d) ₹3360
2. 2.₹1000 is invested at 2% per year simple interest. What is the amount after 4 years? (a) ₹80 (b) ₹1080 (c) ₹1100 (d) ₹1020
3. 3.₹9500 is invested at 6% per year simple interest. What is the amount after 5 years? (a) ₹12350 (b) ₹12920 (c) ₹10070 (d) ₹2850
4. 4.₹5000 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹5150 (b) ₹5300 (c) ₹5450 (d) ₹300
5. 5.In how many years will ₹5000 earn ₹2750 simple interest at 11% per year? (a) 6 years (b) 10 years (c) 4 years (d) 5 years
6. 6.In how many years will ₹8000 earn ₹2160 simple interest at 9% per year? (a) 6 years (b) 2 years (c) 4 years (d) 3 years
7. 7.What is the simple interest on ₹2500 at 9% per year for 5 years? (a) ₹1125 (b) ₹1350 (c) ₹225 (d) ₹3625
8. 8.What is the simple interest on ₹5500 at 11% per year for 2 years? (a) ₹1815 (b) ₹1210 (c) ₹605 (d) ₹6710
9. 9.In how many years will ₹3500 earn ₹210 simple interest at 2% per year? (a) 4 years (b) 2 years (c) 3 years (d) 6 years
10. 10.The simple interest on ₹3000 for 2 years is ₹420. What is the rate per year? (a) 7% (b) 6% (c) 14% (d) 8%
11. 11.The simple interest on ₹7500 for 2 years is ₹1050. What is the rate per year? (a) 14% (b) 6% (c) 8% (d) 7%
12. 12.What is the simple interest on ₹8000 at 6% per year for 2 years? (a) ₹480 (b) ₹1440 (c) ₹8960 (d) ₹960
13. 13.In how many years will ₹3000 earn ₹660 simple interest at 11% per year? (a) 3 years (b) 1 year (c) 4 years (d) 2 years
14. 14.In how many years will ₹8500 earn ₹1275 simple interest at 5% per year? (a) 4 years (b) 3 years (c) 2 years (d) 6 years
15. 15.The simple interest on ₹7500 for 4 years is ₹900. What is the rate per year? (a) 12% (b) 4% (c) 2% (d) 3%
16. 16.What is the simple interest on ₹2000 at 10% per year for 4 years? (a) ₹1000 (b) ₹2800 (c) ₹800 (d) ₹200
17. 17.₹4500 is invested at 6% per year simple interest. What is the amount after 2 years? (a) ₹5310 (b) ₹540 (c) ₹5040 (d) ₹4770
18. 18.What is the simple interest on ₹5500 at 8% per year for 4 years? (a) ₹440 (b) ₹1760 (c) ₹2200 (d) ₹7260
19. 19.₹1500 is invested at 11% per year simple interest. What is the amount after 5 years? (a) ₹2490 (b) ₹2325 (c) ₹1665 (d) ₹825
20. 20.The simple interest on ₹5000 for 3 years is ₹750. What is the rate per year? (a) 4% (b) 6% (c) 15% (d) 5%
21. 21.What is the simple interest on ₹3500 at 8% per year for 5 years? (a) ₹1680 (b) ₹1400 (c) ₹4900 (d) ₹280
22. 22.What is the simple interest on ₹5000 at 3% per year for 3 years? (a) ₹5450 (b) ₹450 (c) ₹150 (d) ₹600
23. 23.What is the simple interest on ₹6500 at 8% per year for 3 years? (a) ₹1560 (b) ₹520 (c) ₹8060 (d) ₹2080
24. 24.The simple interest on ₹6000 for 2 years is ₹720. What is the rate per year? (a) 5% (b) 12% (c) 6% (d) 7%
25. 25.The simple interest on ₹2000 for 4 years is ₹400. What is the rate per year? (a) 5% (b) 20% (c) 6% (d) 4%
26. 26.In how many years will ₹3500 earn ₹770 simple interest at 11% per year? (a) 2 years (b) 1 year (c) 4 years (d) 3 years
27. 27.In how many years will ₹10000 earn ₹2400 simple interest at 12% per year? (a) 2 years (b) 1 year (c) 4 years (d) 3 years
28. 28.₹2000 is invested at 3% per year simple interest. What is the amount after 4 years? (a) ₹2240 (b) ₹2060 (c) ₹240 (d) ₹2300
29. 29.What is the simple interest on ₹4500 at 6% per year for 5 years? (a) ₹5850 (b) ₹1620 (c) ₹270 (d) ₹1350
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 ₹4000 at 8% per year for 2 years? (a) ₹320 (b) ₹960 (c) ₹640 (d) ₹4640
32. 32.What is the simple interest on ₹7000 at 5% per year for 5 years? (a) ₹350 (b) ₹1750 (c) ₹2100 (d) ₹8750
33. 33.In how many years will ₹5500 earn ₹1320 simple interest at 12% per year? (a) 4 years (b) 1 year (c) 2 years (d) 3 years
34. 34.What is the simple interest on ₹6500 at 12% per year for 5 years? (a) ₹780 (b) ₹4680 (c) ₹3900 (d) ₹10400
35. 35.In how many years will ₹4000 earn ₹1080 simple interest at 9% per year? (a) 2 years (b) 3 years (c) 4 years (d) 6 years
36. 36.In how many years will ₹9000 earn ₹3150 simple interest at 7% per year? (a) 10 years (b) 4 years (c) 5 years (d) 6 years
37. 37.What is the simple interest on ₹2500 at 12% per year for 3 years? (a) ₹3400 (b) ₹1200 (c) ₹900 (d) ₹300
38. 38.What is the simple interest on ₹4000 at 12% per year for 4 years? (a) ₹5920 (b) ₹1920 (c) ₹2400 (d) ₹480
39. 39.What is the simple interest on ₹8000 at 8% per year for 2 years? (a) ₹1280 (b) ₹9280 (c) ₹640 (d) ₹1920
40. 40.What is the simple interest on ₹9500 at 3% per year for 4 years? (a) ₹285 (b) ₹10640 (c) ₹1140 (d) ₹1425

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