Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 770 · 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.The simple interest on ₹3000 for 4 years is ₹1080. What is the rate per year? (a) 36% (b) 8% (c) 10% (d) 9%
2. 2.₹7000 is invested at 2% per year simple interest. What is the amount after 3 years? (a) ₹7420 (b) ₹7560 (c) ₹7140 (d) ₹420
3. 3.The simple interest on ₹9000 for 2 years is ₹1080. What is the rate per year? (a) 12% (b) 5% (c) 7% (d) 6%
4. 4.The simple interest on ₹5500 for 2 years is ₹660. What is the rate per year? (a) 7% (b) 5% (c) 6% (d) 12%
5. 5.₹4500 is invested at 7% per year simple interest. What is the amount after 2 years? (a) ₹630 (b) ₹5130 (c) ₹5445 (d) ₹4815
6. 6.In how many years will ₹1000 earn ₹200 simple interest at 10% per year? (a) 4 years (b) 1 year (c) 3 years (d) 2 years
7. 7.What is the simple interest on ₹6000 at 2% per year for 2 years? (a) ₹360 (b) ₹6240 (c) ₹240 (d) ₹120
8. 8.What is the simple interest on ₹1500 at 4% per year for 3 years? (a) ₹1680 (b) ₹60 (c) ₹180 (d) ₹240
9. 9.The simple interest on ₹4000 for 3 years is ₹1080. What is the rate per year? (a) 8% (b) 9% (c) 27% (d) 10%
10. 10.The simple interest on ₹1500 for 5 years is ₹375. What is the rate per year? (a) 4% (b) 6% (c) 5% (d) 25%
11. 11.The simple interest on ₹1500 for 2 years is ₹270. What is the rate per year? (a) 18% (b) 8% (c) 9% (d) 10%
12. 12.In how many years will ₹8000 earn ₹1440 simple interest at 6% per year? (a) 6 years (b) 3 years (c) 4 years (d) 2 years
13. 13.In how many years will ₹6500 earn ₹390 simple interest at 3% per year? (a) 1 year (b) 4 years (c) 2 years (d) 3 years
14. 14.₹10000 is invested at 5% per year simple interest. What is the amount after 4 years? (a) ₹12500 (b) ₹10500 (c) ₹12000 (d) ₹2000
15. 15.In how many years will ₹10000 earn ₹6000 simple interest at 12% per year? (a) 10 years (b) 6 years (c) 5 years (d) 4 years
16. 16.What is the simple interest on ₹9500 at 8% per year for 3 years? (a) ₹760 (b) ₹2280 (c) ₹3040 (d) ₹11780
17. 17.The simple interest on ₹5500 for 2 years is ₹1210. What is the rate per year? (a) 11% (b) 22% (c) 12% (d) 10%
18. 18.What is the simple interest on ₹1000 at 12% per year for 2 years? (a) ₹360 (b) ₹120 (c) ₹1240 (d) ₹240
19. 19.In how many years will ₹7000 earn ₹2450 simple interest at 7% per year? (a) 6 years (b) 4 years (c) 5 years (d) 10 years
20. 20.In how many years will ₹4000 earn ₹400 simple interest at 2% per year? (a) 6 years (b) 4 years (c) 5 years (d) 10 years
21. 21.₹1000 is invested at 10% per year simple interest. What is the amount after 2 years? (a) ₹1200 (b) ₹1300 (c) ₹1100 (d) ₹200
22. 22.What is the simple interest on ₹1000 at 5% per year for 4 years? (a) ₹50 (b) ₹1200 (c) ₹200 (d) ₹250
23. 23.In how many years will ₹9000 earn ₹900 simple interest at 2% per year? (a) 10 years (b) 6 years (c) 5 years (d) 4 years
24. 24.In how many years will ₹6000 earn ₹2880 simple interest at 12% per year? (a) 8 years (b) 5 years (c) 3 years (d) 4 years
25. 25.In how many years will ₹10000 earn ₹2000 simple interest at 10% per year? (a) 2 years (b) 4 years (c) 3 years (d) 1 year
26. 26.In how many years will ₹9500 earn ₹4560 simple interest at 12% per year? (a) 5 years (b) 4 years (c) 8 years (d) 3 years
27. 27.₹8000 is invested at 5% per year simple interest. What is the amount after 2 years? (a) ₹8800 (b) ₹800 (c) ₹8400 (d) ₹9200
28. 28.What is the simple interest on ₹9000 at 7% per year for 3 years? (a) ₹1890 (b) ₹630 (c) ₹2520 (d) ₹10890
29. 29.What is the simple interest on ₹3500 at 7% per year for 2 years? (a) ₹490 (b) ₹3990 (c) ₹245 (d) ₹735
30. 30.What is the simple interest on ₹8500 at 8% per year for 5 years? (a) ₹4080 (b) ₹11900 (c) ₹3400 (d) ₹680
31. 31.The simple interest on ₹4500 for 3 years is ₹405. What is the rate per year? (a) 2% (b) 3% (c) 9% (d) 4%
32. 32.What is the simple interest on ₹4500 at 6% per year for 5 years? (a) ₹5850 (b) ₹270 (c) ₹1350 (d) ₹1620
33. 33.The simple interest on ₹1500 for 2 years is ₹330. What is the rate per year? (a) 10% (b) 22% (c) 11% (d) 12%
34. 34.₹2000 is invested at 10% per year simple interest. What is the amount after 4 years? (a) ₹2200 (b) ₹800 (c) ₹3000 (d) ₹2800
35. 35.In how many years will ₹1500 earn ₹270 simple interest at 6% per year? (a) 2 years (b) 4 years (c) 3 years (d) 6 years
36. 36.In how many years will ₹2000 earn ₹560 simple interest at 7% per year? (a) 4 years (b) 8 years (c) 3 years (d) 5 years
37. 37.₹4000 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹4120 (b) ₹4360 (c) ₹240 (d) ₹4240
38. 38.In how many years will ₹6000 earn ₹1620 simple interest at 9% per year? (a) 6 years (b) 3 years (c) 4 years (d) 2 years
39. 39.In how many years will ₹3000 earn ₹480 simple interest at 8% per year? (a) 2 years (b) 1 year (c) 3 years (d) 4 years
40. 40.In how many years will ₹5000 earn ₹200 simple interest at 2% per year? (a) 3 years (b) 2 years (c) 1 year (d) 4 years

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