Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 501 · 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 ₹1500 earn ₹330 simple interest at 11% per year? (a) 2 years (b) 3 years (c) 4 years (d) 1 year
2. 2.₹1500 is invested at 9% per year simple interest. What is the amount after 5 years? (a) ₹675 (b) ₹1635 (c) ₹2310 (d) ₹2175
3. 3.In how many years will ₹9500 earn ₹2850 simple interest at 10% per year? (a) 2 years (b) 6 years (c) 3 years (d) 4 years
4. 4.What is the simple interest on ₹6500 at 8% per year for 4 years? (a) ₹2080 (b) ₹8580 (c) ₹520 (d) ₹2600
5. 5.In how many years will ₹8000 earn ₹800 simple interest at 2% per year? (a) 5 years (b) 4 years (c) 6 years (d) 10 years
6. 6.The simple interest on ₹6500 for 2 years is ₹1040. What is the rate per year? (a) 9% (b) 16% (c) 8% (d) 7%
7. 7.In how many years will ₹9000 earn ₹1350 simple interest at 3% per year? (a) 6 years (b) 10 years (c) 4 years (d) 5 years
8. 8.What is the simple interest on ₹3500 at 5% per year for 4 years? (a) ₹4200 (b) ₹175 (c) ₹700 (d) ₹875
9. 9.What is the simple interest on ₹4000 at 7% per year for 5 years? (a) ₹280 (b) ₹1400 (c) ₹1680 (d) ₹5400
10. 10.The simple interest on ₹4500 for 2 years is ₹720. What is the rate per year? (a) 7% (b) 16% (c) 8% (d) 9%
11. 11.In how many years will ₹1500 earn ₹180 simple interest at 6% per year? (a) 1 year (b) 3 years (c) 4 years (d) 2 years
12. 12.₹2000 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹2040 (b) ₹80 (c) ₹2120 (d) ₹2080
13. 13.What is the simple interest on ₹1500 at 10% per year for 2 years? (a) ₹150 (b) ₹450 (c) ₹1800 (d) ₹300
14. 14.What is the simple interest on ₹9500 at 3% per year for 4 years? (a) ₹1425 (b) ₹10640 (c) ₹285 (d) ₹1140
15. 15.The simple interest on ₹5000 for 2 years is ₹400. What is the rate per year? (a) 8% (b) 3% (c) 5% (d) 4%
16. 16.₹9000 is invested at 8% per year simple interest. What is the amount after 5 years? (a) ₹3600 (b) ₹13320 (c) ₹9720 (d) ₹12600
17. 17.What is the simple interest on ₹6000 at 6% per year for 2 years? (a) ₹720 (b) ₹1080 (c) ₹360 (d) ₹6720
18. 18.What is the simple interest on ₹4500 at 11% per year for 2 years? (a) ₹990 (b) ₹495 (c) ₹5490 (d) ₹1485
19. 19.In how many years will ₹5000 earn ₹450 simple interest at 3% per year? (a) 2 years (b) 3 years (c) 4 years (d) 6 years
20. 20.The simple interest on ₹5000 for 2 years is ₹600. What is the rate per year? (a) 7% (b) 5% (c) 12% (d) 6%
21. 21.In how many years will ₹7000 earn ₹3360 simple interest at 12% per year? (a) 8 years (b) 5 years (c) 3 years (d) 4 years
22. 22.₹3000 is invested at 9% per year simple interest. What is the amount after 5 years? (a) ₹3270 (b) ₹1350 (c) ₹4620 (d) ₹4350
23. 23.The simple interest on ₹10000 for 5 years is ₹4500. What is the rate per year? (a) 45% (b) 9% (c) 8% (d) 10%
24. 24.The simple interest on ₹3000 for 2 years is ₹480. What is the rate per year? (a) 7% (b) 16% (c) 9% (d) 8%
25. 25.The simple interest on ₹3500 for 2 years is ₹350. What is the rate per year? (a) 5% (b) 6% (c) 10% (d) 4%
26. 26.In how many years will ₹3500 earn ₹420 simple interest at 6% per year? (a) 3 years (b) 2 years (c) 4 years (d) 1 year
27. 27.The simple interest on ₹2000 for 2 years is ₹80. What is the rate per year? (a) 3% (b) 1% (c) 4% (d) 2%
28. 28.The simple interest on ₹10000 for 3 years is ₹2100. What is the rate per year? (a) 6% (b) 7% (c) 8% (d) 21%
29. 29.In how many years will ₹4500 earn ₹360 simple interest at 4% per year? (a) 2 years (b) 3 years (c) 1 year (d) 4 years
30. 30.The simple interest on ₹10000 for 2 years is ₹2400. What is the rate per year? (a) 13% (b) 11% (c) 12% (d) 24%
31. 31.What is the simple interest on ₹7500 at 4% per year for 2 years? (a) ₹300 (b) ₹900 (c) ₹8100 (d) ₹600
32. 32.₹8500 is invested at 4% per year simple interest. What is the amount after 5 years? (a) ₹10540 (b) ₹8840 (c) ₹10200 (d) ₹1700
33. 33.₹1500 is invested at 8% per year simple interest. What is the amount after 3 years? (a) ₹1980 (b) ₹1860 (c) ₹360 (d) ₹1620
34. 34.In how many years will ₹7000 earn ₹2310 simple interest at 11% per year? (a) 2 years (b) 3 years (c) 6 years (d) 4 years
35. 35.₹1000 is invested at 7% per year simple interest. What is the amount after 5 years? (a) ₹1070 (b) ₹350 (c) ₹1350 (d) ₹1420
36. 36.What is the simple interest on ₹2500 at 10% per year for 5 years? (a) ₹250 (b) ₹1250 (c) ₹3750 (d) ₹1500
37. 37.What is the simple interest on ₹1000 at 10% per year for 3 years? (a) ₹100 (b) ₹400 (c) ₹1300 (d) ₹300
38. 38.₹2000 is invested at 3% per year simple interest. What is the amount after 5 years? (a) ₹300 (b) ₹2300 (c) ₹2060 (d) ₹2360
39. 39.What is the simple interest on ₹6500 at 10% per year for 5 years? (a) ₹3900 (b) ₹3250 (c) ₹9750 (d) ₹650
40. 40.₹3000 is invested at 2% per year simple interest. What is the amount after 5 years? (a) ₹3060 (b) ₹3300 (c) ₹300 (d) ₹3360

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