Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 469 · 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.₹9500 is invested at 11% per year simple interest. What is the amount after 5 years? (a) ₹10545 (b) ₹15770 (c) ₹5225 (d) ₹14725
2. 2.In how many years will ₹10000 earn ₹600 simple interest at 3% per year? (a) 4 years (b) 1 year (c) 2 years (d) 3 years
3. 3.In how many years will ₹3000 earn ₹450 simple interest at 5% per year? (a) 4 years (b) 2 years (c) 3 years (d) 6 years
4. 4.The simple interest on ₹6000 for 2 years is ₹1080. What is the rate per year? (a) 10% (b) 8% (c) 18% (d) 9%
5. 5.In how many years will ₹2500 earn ₹600 simple interest at 6% per year? (a) 5 years (b) 8 years (c) 3 years (d) 4 years
6. 6.What is the simple interest on ₹4000 at 5% per year for 3 years? (a) ₹4600 (b) ₹600 (c) ₹200 (d) ₹800
7. 7.₹2000 is invested at 12% per year simple interest. What is the amount after 2 years? (a) ₹480 (b) ₹2240 (c) ₹2720 (d) ₹2480
8. 8.₹5000 is invested at 3% per year simple interest. What is the amount after 3 years? (a) ₹5450 (b) ₹5150 (c) ₹5600 (d) ₹450
9. 9.What is the simple interest on ₹8500 at 2% per year for 5 years? (a) ₹9350 (b) ₹850 (c) ₹170 (d) ₹1020
10. 10.₹8000 is invested at 5% per year simple interest. What is the amount after 5 years? (a) ₹2000 (b) ₹10400 (c) ₹10000 (d) ₹8400
11. 11.What is the simple interest on ₹10000 at 12% per year for 2 years? (a) ₹1200 (b) ₹3600 (c) ₹2400 (d) ₹12400
12. 12.What is the simple interest on ₹10000 at 2% per year for 3 years? (a) ₹10600 (b) ₹800 (c) ₹200 (d) ₹600
13. 13.In how many years will ₹1000 earn ₹360 simple interest at 9% per year? (a) 8 years (b) 3 years (c) 5 years (d) 4 years
14. 14.What is the simple interest on ₹5500 at 12% per year for 4 years? (a) ₹2640 (b) ₹660 (c) ₹3300 (d) ₹8140
15. 15.The simple interest on ₹1500 for 4 years is ₹540. What is the rate per year? (a) 36% (b) 8% (c) 10% (d) 9%
16. 16.In how many years will ₹6000 earn ₹720 simple interest at 6% per year? (a) 3 years (b) 2 years (c) 4 years (d) 1 year
17. 17.The simple interest on ₹10000 for 4 years is ₹3200. What is the rate per year? (a) 7% (b) 32% (c) 9% (d) 8%
18. 18.₹4000 is invested at 2% per year simple interest. What is the amount after 5 years? (a) ₹4480 (b) ₹4400 (c) ₹4080 (d) ₹400
19. 19.₹3000 is invested at 2% per year simple interest. What is the amount after 3 years? (a) ₹3240 (b) ₹180 (c) ₹3180 (d) ₹3060
20. 20.What is the simple interest on ₹6500 at 9% per year for 5 years? (a) ₹3510 (b) ₹2925 (c) ₹9425 (d) ₹585
21. 21.What is the simple interest on ₹1000 at 3% per year for 3 years? (a) ₹30 (b) ₹1090 (c) ₹90 (d) ₹120
22. 22.₹8000 is invested at 9% per year simple interest. What is the amount after 2 years? (a) ₹9440 (b) ₹10160 (c) ₹1440 (d) ₹8720
23. 23.In how many years will ₹1500 earn ₹450 simple interest at 6% per year? (a) 10 years (b) 5 years (c) 4 years (d) 6 years
24. 24.₹6500 is invested at 6% per year simple interest. What is the amount after 5 years? (a) ₹6890 (b) ₹8840 (c) ₹1950 (d) ₹8450
25. 25.The simple interest on ₹10000 for 2 years is ₹400. What is the rate per year? (a) 2% (b) 4% (c) 3% (d) 1%
26. 26.In how many years will ₹4000 earn ₹400 simple interest at 5% per year? (a) 4 years (b) 1 year (c) 3 years (d) 2 years
27. 27.What is the simple interest on ₹5000 at 7% per year for 4 years? (a) ₹350 (b) ₹6400 (c) ₹1750 (d) ₹1400
28. 28.What is the simple interest on ₹4500 at 6% per year for 3 years? (a) ₹1080 (b) ₹810 (c) ₹5310 (d) ₹270
29. 29.The simple interest on ₹7500 for 3 years is ₹450. What is the rate per year? (a) 3% (b) 6% (c) 1% (d) 2%
30. 30.The simple interest on ₹4500 for 5 years is ₹1800. What is the rate per year? (a) 40% (b) 8% (c) 9% (d) 7%
31. 31.In how many years will ₹1000 earn ₹150 simple interest at 5% per year? (a) 6 years (b) 3 years (c) 2 years (d) 4 years
32. 32.What is the simple interest on ₹4500 at 7% per year for 3 years? (a) ₹1260 (b) ₹5445 (c) ₹945 (d) ₹315
33. 33.The simple interest on ₹7000 for 5 years is ₹1750. What is the rate per year? (a) 6% (b) 25% (c) 4% (d) 5%
34. 34.₹8500 is invested at 5% per year simple interest. What is the amount after 4 years? (a) ₹10200 (b) ₹8925 (c) ₹1700 (d) ₹10625
35. 35.In how many years will ₹7000 earn ₹1680 simple interest at 8% per year? (a) 6 years (b) 4 years (c) 2 years (d) 3 years
36. 36.In how many years will ₹9500 earn ₹570 simple interest at 3% per year? (a) 1 year (b) 4 years (c) 2 years (d) 3 years
37. 37.What is the simple interest on ₹1000 at 2% per year for 3 years? (a) ₹80 (b) ₹1060 (c) ₹20 (d) ₹60
38. 38.The simple interest on ₹4500 for 2 years is ₹900. What is the rate per year? (a) 9% (b) 11% (c) 10% (d) 20%
39. 39.What is the simple interest on ₹7500 at 9% per year for 4 years? (a) ₹675 (b) ₹10200 (c) ₹2700 (d) ₹3375
40. 40.What is the simple interest on ₹4000 at 3% per year for 2 years? (a) ₹240 (b) ₹4240 (c) ₹120 (d) ₹360

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