Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 560 · 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 ₹8500 at 5% per year for 2 years? (a) ₹9350 (b) ₹425 (c) ₹850 (d) ₹1275
2. 2.The simple interest on ₹9500 for 5 years is ₹5700. What is the rate per year? (a) 13% (b) 60% (c) 11% (d) 12%
3. 3.What is the simple interest on ₹2500 at 12% per year for 2 years? (a) ₹900 (b) ₹3100 (c) ₹300 (d) ₹600
4. 4.The simple interest on ₹7500 for 4 years is ₹3600. What is the rate per year? (a) 48% (b) 13% (c) 11% (d) 12%
5. 5.The simple interest on ₹7000 for 3 years is ₹1050. What is the rate per year? (a) 6% (b) 4% (c) 15% (d) 5%
6. 6.What is the simple interest on ₹7500 at 8% per year for 2 years? (a) ₹1200 (b) ₹600 (c) ₹1800 (d) ₹8700
7. 7.₹1500 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹1635 (b) ₹1590 (c) ₹1545 (d) ₹90
8. 8.₹1500 is invested at 12% per year simple interest. What is the amount after 4 years? (a) ₹2220 (b) ₹2400 (c) ₹720 (d) ₹1680
9. 9.In how many years will ₹9000 earn ₹3240 simple interest at 12% per year? (a) 3 years (b) 6 years (c) 4 years (d) 2 years
10. 10.In how many years will ₹5500 earn ₹3300 simple interest at 12% per year? (a) 10 years (b) 4 years (c) 5 years (d) 6 years
11. 11.In how many years will ₹1000 earn ₹120 simple interest at 6% per year? (a) 2 years (b) 4 years (c) 3 years (d) 1 year
12. 12.The simple interest on ₹8500 for 2 years is ₹1360. What is the rate per year? (a) 9% (b) 7% (c) 16% (d) 8%
13. 13.In how many years will ₹4500 earn ₹540 simple interest at 3% per year? (a) 5 years (b) 3 years (c) 4 years (d) 8 years
14. 14.The simple interest on ₹6000 for 2 years is ₹240. What is the rate per year? (a) 3% (b) 2% (c) 4% (d) 1%
15. 15.What is the simple interest on ₹2500 at 6% per year for 2 years? (a) ₹150 (b) ₹450 (c) ₹2800 (d) ₹300
16. 16.₹6000 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹6180 (b) ₹6540 (c) ₹360 (d) ₹6360
17. 17.In how many years will ₹9000 earn ₹1080 simple interest at 3% per year? (a) 3 years (b) 5 years (c) 4 years (d) 8 years
18. 18.The simple interest on ₹1000 for 5 years is ₹350. What is the rate per year? (a) 6% (b) 8% (c) 35% (d) 7%
19. 19.In how many years will ₹4000 earn ₹1440 simple interest at 12% per year? (a) 3 years (b) 2 years (c) 6 years (d) 4 years
20. 20.₹5500 is invested at 5% per year simple interest. What is the amount after 2 years? (a) ₹6325 (b) ₹5775 (c) ₹6050 (d) ₹550
21. 21.₹9000 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹540 (b) ₹9810 (c) ₹9270 (d) ₹9540
22. 22.What is the simple interest on ₹5500 at 5% per year for 5 years? (a) ₹6875 (b) ₹1650 (c) ₹275 (d) ₹1375
23. 23.₹10000 is invested at 6% per year simple interest. What is the amount after 2 years? (a) ₹1200 (b) ₹11800 (c) ₹11200 (d) ₹10600
24. 24.₹9000 is invested at 11% per year simple interest. What is the amount after 5 years? (a) ₹14940 (b) ₹9990 (c) ₹4950 (d) ₹13950
25. 25.What is the simple interest on ₹2000 at 4% per year for 2 years? (a) ₹240 (b) ₹160 (c) ₹80 (d) ₹2160
26. 26.₹5000 is invested at 7% per year simple interest. What is the amount after 5 years? (a) ₹1750 (b) ₹7100 (c) ₹5350 (d) ₹6750
27. 27.The simple interest on ₹1500 for 3 years is ₹90. What is the rate per year? (a) 3% (b) 2% (c) 1% (d) 6%
28. 28.What is the simple interest on ₹6500 at 5% per year for 3 years? (a) ₹7475 (b) ₹1300 (c) ₹975 (d) ₹325
29. 29.What is the simple interest on ₹7500 at 5% per year for 2 years? (a) ₹375 (b) ₹750 (c) ₹1125 (d) ₹8250
30. 30.What is the simple interest on ₹8500 at 9% per year for 3 years? (a) ₹3060 (b) ₹10795 (c) ₹765 (d) ₹2295
31. 31.What is the simple interest on ₹5000 at 9% per year for 2 years? (a) ₹450 (b) ₹1350 (c) ₹5900 (d) ₹900
32. 32.₹6000 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹6120 (b) ₹6360 (c) ₹240 (d) ₹6240
33. 33.In how many years will ₹1000 earn ₹180 simple interest at 9% per year? (a) 4 years (b) 3 years (c) 1 year (d) 2 years
34. 34.What is the simple interest on ₹4500 at 9% per year for 3 years? (a) ₹1215 (b) ₹5715 (c) ₹1620 (d) ₹405
35. 35.What is the simple interest on ₹8000 at 5% per year for 4 years? (a) ₹1600 (b) ₹2000 (c) ₹9600 (d) ₹400
36. 36.₹6000 is invested at 5% per year simple interest. What is the amount after 4 years? (a) ₹7200 (b) ₹7500 (c) ₹6300 (d) ₹1200
37. 37.What is the simple interest on ₹1500 at 2% per year for 2 years? (a) ₹60 (b) ₹90 (c) ₹1560 (d) ₹30
38. 38.In how many years will ₹10000 earn ₹3500 simple interest at 7% per year? (a) 5 years (b) 6 years (c) 10 years (d) 4 years
39. 39.The simple interest on ₹4000 for 4 years is ₹480. What is the rate per year? (a) 12% (b) 3% (c) 4% (d) 2%
40. 40.What is the simple interest on ₹2000 at 3% per year for 3 years? (a) ₹60 (b) ₹180 (c) ₹2180 (d) ₹240

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