Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 853 · 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.In how many years will ₹3000 earn ₹360 simple interest at 6% per year? (a) 4 years (b) 3 years (c) 2 years (d) 1 year
2. 2.₹4500 is invested at 8% per year simple interest. What is the amount after 3 years? (a) ₹5940 (b) ₹4860 (c) ₹1080 (d) ₹5580
3. 3.₹9500 is invested at 3% per year simple interest. What is the amount after 3 years? (a) ₹9785 (b) ₹10640 (c) ₹855 (d) ₹10355
4. 4.The simple interest on ₹2000 for 4 years is ₹560. What is the rate per year? (a) 28% (b) 8% (c) 7% (d) 6%
5. 5.In how many years will ₹6000 earn ₹720 simple interest at 3% per year? (a) 3 years (b) 5 years (c) 4 years (d) 8 years
6. 6.The simple interest on ₹1000 for 3 years is ₹120. What is the rate per year? (a) 3% (b) 4% (c) 5% (d) 12%
7. 7.What is the simple interest on ₹3500 at 9% per year for 5 years? (a) ₹1890 (b) ₹5075 (c) ₹315 (d) ₹1575
8. 8.₹6000 is invested at 10% per year simple interest. What is the amount after 5 years? (a) ₹3000 (b) ₹9000 (c) ₹6600 (d) ₹9600
9. 9.What is the simple interest on ₹2500 at 11% per year for 3 years? (a) ₹825 (b) ₹3325 (c) ₹1100 (d) ₹275
10. 10.In how many years will ₹2000 earn ₹120 simple interest at 3% per year? (a) 3 years (b) 1 year (c) 4 years (d) 2 years
11. 11.What is the simple interest on ₹6000 at 7% per year for 3 years? (a) ₹7260 (b) ₹1260 (c) ₹1680 (d) ₹420
12. 12.In how many years will ₹2500 earn ₹500 simple interest at 5% per year? (a) 8 years (b) 3 years (c) 5 years (d) 4 years
13. 13.In how many years will ₹8000 earn ₹720 simple interest at 3% per year? (a) 2 years (b) 4 years (c) 3 years (d) 6 years
14. 14.What is the simple interest on ₹1000 at 8% per year for 5 years? (a) ₹80 (b) ₹480 (c) ₹1400 (d) ₹400
15. 15.The simple interest on ₹10000 for 4 years is ₹2000. What is the rate per year? (a) 5% (b) 6% (c) 4% (d) 20%
16. 16.What is the simple interest on ₹4000 at 2% per year for 3 years? (a) ₹240 (b) ₹80 (c) ₹320 (d) ₹4240
17. 17.What is the simple interest on ₹6000 at 8% per year for 4 years? (a) ₹1920 (b) ₹7920 (c) ₹480 (d) ₹2400
18. 18.In how many years will ₹2500 earn ₹150 simple interest at 2% per year? (a) 2 years (b) 4 years (c) 6 years (d) 3 years
19. 19.₹6000 is invested at 11% per year simple interest. What is the amount after 3 years? (a) ₹8640 (b) ₹7980 (c) ₹1980 (d) ₹6660
20. 20.What is the simple interest on ₹3500 at 5% per year for 4 years? (a) ₹4200 (b) ₹175 (c) ₹875 (d) ₹700
21. 21.What is the simple interest on ₹3500 at 6% per year for 4 years? (a) ₹210 (b) ₹1050 (c) ₹4340 (d) ₹840
22. 22.In how many years will ₹7000 earn ₹1750 simple interest at 5% per year? (a) 4 years (b) 5 years (c) 6 years (d) 10 years
23. 23.What is the simple interest on ₹10000 at 2% per year for 2 years? (a) ₹10400 (b) ₹200 (c) ₹400 (d) ₹600
24. 24.What is the simple interest on ₹1000 at 3% per year for 4 years? (a) ₹1120 (b) ₹150 (c) ₹120 (d) ₹30
25. 25.In how many years will ₹1500 earn ₹270 simple interest at 9% per year? (a) 2 years (b) 1 year (c) 4 years (d) 3 years
26. 26.In how many years will ₹8000 earn ₹1920 simple interest at 6% per year? (a) 8 years (b) 5 years (c) 4 years (d) 3 years
27. 27.The simple interest on ₹6500 for 5 years is ₹3250. What is the rate per year? (a) 10% (b) 50% (c) 11% (d) 9%
28. 28.₹2500 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹2800 (b) ₹200 (c) ₹2600 (d) ₹2700
29. 29.The simple interest on ₹6500 for 2 years is ₹520. What is the rate per year? (a) 8% (b) 3% (c) 4% (d) 5%
30. 30.₹2000 is invested at 8% per year simple interest. What is the amount after 2 years? (a) ₹2480 (b) ₹2160 (c) ₹320 (d) ₹2320
31. 31.The simple interest on ₹8500 for 2 years is ₹680. What is the rate per year? (a) 5% (b) 8% (c) 4% (d) 3%
32. 32.In how many years will ₹9500 earn ₹2660 simple interest at 7% per year? (a) 4 years (b) 3 years (c) 5 years (d) 8 years
33. 33.In how many years will ₹4000 earn ₹2400 simple interest at 12% per year? (a) 10 years (b) 6 years (c) 4 years (d) 5 years
34. 34.What is the simple interest on ₹5500 at 9% per year for 4 years? (a) ₹7480 (b) ₹495 (c) ₹2475 (d) ₹1980
35. 35.₹6500 is invested at 7% per year simple interest. What is the amount after 2 years? (a) ₹7410 (b) ₹910 (c) ₹6955 (d) ₹7865
36. 36.What is the simple interest on ₹1500 at 11% per year for 3 years? (a) ₹495 (b) ₹1995 (c) ₹165 (d) ₹660
37. 37.In how many years will ₹9500 earn ₹380 simple interest at 2% per year? (a) 1 year (b) 2 years (c) 3 years (d) 4 years
38. 38.The simple interest on ₹1500 for 3 years is ₹270. What is the rate per year? (a) 5% (b) 6% (c) 18% (d) 7%
39. 39.In how many years will ₹3500 earn ₹1120 simple interest at 8% per year? (a) 8 years (b) 5 years (c) 3 years (d) 4 years
40. 40.In how many years will ₹2500 earn ₹250 simple interest at 2% per year? (a) 10 years (b) 4 years (c) 5 years (d) 6 years

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