Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 52 · 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 12% per year for 2 years? (a) ₹3060 (b) ₹10540 (c) ₹2040 (d) ₹1020
2. 2.The simple interest on ₹9500 for 3 years is ₹2280. What is the rate per year? (a) 24% (b) 8% (c) 7% (d) 9%
3. 3.In how many years will ₹10000 earn ₹1200 simple interest at 3% per year? (a) 3 years (b) 5 years (c) 4 years (d) 8 years
4. 4.What is the simple interest on ₹3000 at 6% per year for 3 years? (a) ₹180 (b) ₹3540 (c) ₹720 (d) ₹540
5. 5.What is the simple interest on ₹2500 at 2% per year for 4 years? (a) ₹2700 (b) ₹50 (c) ₹200 (d) ₹250
6. 6.In how many years will ₹8500 earn ₹1275 simple interest at 5% per year? (a) 6 years (b) 3 years (c) 4 years (d) 2 years
7. 7.The simple interest on ₹4000 for 5 years is ₹400. What is the rate per year? (a) 1% (b) 2% (c) 10% (d) 3%
8. 8.₹4500 is invested at 11% per year simple interest. What is the amount after 2 years? (a) ₹990 (b) ₹4995 (c) ₹5985 (d) ₹5490
9. 9.₹5000 is invested at 6% per year simple interest. What is the amount after 3 years? (a) ₹6200 (b) ₹5900 (c) ₹5300 (d) ₹900
10. 10.The simple interest on ₹5000 for 2 years is ₹200. What is the rate per year? (a) 3% (b) 1% (c) 4% (d) 2%
11. 11.What is the simple interest on ₹4500 at 5% per year for 4 years? (a) ₹1125 (b) ₹225 (c) ₹5400 (d) ₹900
12. 12.The simple interest on ₹2500 for 3 years is ₹825. What is the rate per year? (a) 33% (b) 12% (c) 10% (d) 11%
13. 13.The simple interest on ₹2500 for 3 years is ₹525. What is the rate per year? (a) 6% (b) 21% (c) 7% (d) 8%
14. 14.The simple interest on ₹4000 for 2 years is ₹240. What is the rate per year? (a) 3% (b) 6% (c) 4% (d) 2%
15. 15.In how many years will ₹6000 earn ₹1080 simple interest at 9% per year? (a) 1 year (b) 2 years (c) 3 years (d) 4 years
16. 16.What is the simple interest on ₹5500 at 3% per year for 2 years? (a) ₹495 (b) ₹330 (c) ₹5830 (d) ₹165
17. 17.The simple interest on ₹8000 for 5 years is ₹800. What is the rate per year? (a) 1% (b) 10% (c) 3% (d) 2%
18. 18.₹7000 is invested at 6% per year simple interest. What is the amount after 5 years? (a) ₹7420 (b) ₹9520 (c) ₹9100 (d) ₹2100
19. 19.The simple interest on ₹1500 for 2 years is ₹330. What is the rate per year? (a) 10% (b) 11% (c) 22% (d) 12%
20. 20.₹8500 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹9520 (b) ₹9180 (c) ₹680 (d) ₹8840
21. 21.The simple interest on ₹10000 for 2 years is ₹1800. What is the rate per year? (a) 18% (b) 10% (c) 8% (d) 9%
22. 22.What is the simple interest on ₹8500 at 2% per year for 5 years? (a) ₹1020 (b) ₹850 (c) ₹170 (d) ₹9350
23. 23.What is the simple interest on ₹1000 at 9% per year for 5 years? (a) ₹90 (b) ₹450 (c) ₹540 (d) ₹1450
24. 24.What is the simple interest on ₹2500 at 3% per year for 3 years? (a) ₹2725 (b) ₹225 (c) ₹300 (d) ₹75
25. 25.In how many years will ₹10000 earn ₹2100 simple interest at 7% per year? (a) 2 years (b) 3 years (c) 4 years (d) 6 years
26. 26.₹4000 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹4480 (b) ₹4160 (c) ₹4320 (d) ₹320
27. 27.The simple interest on ₹5000 for 5 years is ₹750. What is the rate per year? (a) 4% (b) 15% (c) 2% (d) 3%
28. 28.In how many years will ₹10000 earn ₹1600 simple interest at 4% per year? (a) 3 years (b) 4 years (c) 5 years (d) 8 years
29. 29.The simple interest on ₹6500 for 3 years is ₹585. What is the rate per year? (a) 3% (b) 2% (c) 9% (d) 4%
30. 30.₹7500 is invested at 10% per year simple interest. What is the amount after 4 years? (a) ₹10500 (b) ₹8250 (c) ₹11250 (d) ₹3000
31. 31.₹9500 is invested at 12% per year simple interest. What is the amount after 3 years? (a) ₹3420 (b) ₹14060 (c) ₹10640 (d) ₹12920
32. 32.In how many years will ₹1000 earn ₹60 simple interest at 2% per year? (a) 6 years (b) 3 years (c) 4 years (d) 2 years
33. 33.What is the simple interest on ₹9500 at 6% per year for 3 years? (a) ₹2280 (b) ₹11210 (c) ₹1710 (d) ₹570
34. 34.What is the simple interest on ₹1000 at 9% per year for 4 years? (a) ₹360 (b) ₹90 (c) ₹450 (d) ₹1360
35. 35.What is the simple interest on ₹1000 at 12% per year for 5 years? (a) ₹120 (b) ₹1600 (c) ₹600 (d) ₹720
36. 36.In how many years will ₹3500 earn ₹840 simple interest at 12% per year? (a) 1 year (b) 2 years (c) 4 years (d) 3 years
37. 37.In how many years will ₹5000 earn ₹400 simple interest at 4% per year? (a) 3 years (b) 2 years (c) 4 years (d) 1 year
38. 38.₹8000 is invested at 10% per year simple interest. What is the amount after 2 years? (a) ₹10400 (b) ₹8800 (c) ₹9600 (d) ₹1600
39. 39.The simple interest on ₹2500 for 3 years is ₹450. What is the rate per year? (a) 7% (b) 18% (c) 5% (d) 6%
40. 40.In how many years will ₹5500 earn ₹1980 simple interest at 9% per year? (a) 3 years (b) 5 years (c) 4 years (d) 8 years

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