Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 105 · 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 ₹9500 at 2% per year for 5 years? (a) ₹10450 (b) ₹950 (c) ₹190 (d) ₹1140
2. 2.In how many years will ₹8500 earn ₹2040 simple interest at 12% per year? (a) 4 years (b) 1 year (c) 3 years (d) 2 years
3. 3.₹8000 is invested at 9% per year simple interest. What is the amount after 5 years? (a) ₹3600 (b) ₹12320 (c) ₹8720 (d) ₹11600
4. 4.What is the simple interest on ₹5500 at 2% per year for 3 years? (a) ₹110 (b) ₹330 (c) ₹5830 (d) ₹440
5. 5.In how many years will ₹5000 earn ₹3000 simple interest at 12% per year? (a) 6 years (b) 4 years (c) 5 years (d) 10 years
6. 6.What is the simple interest on ₹3500 at 4% per year for 2 years? (a) ₹280 (b) ₹420 (c) ₹140 (d) ₹3780
7. 7.₹6000 is invested at 5% per year simple interest. What is the amount after 2 years? (a) ₹6600 (b) ₹6900 (c) ₹600 (d) ₹6300
8. 8.In how many years will ₹1500 earn ₹180 simple interest at 4% per year? (a) 6 years (b) 4 years (c) 2 years (d) 3 years
9. 9.What is the simple interest on ₹9500 at 8% per year for 2 years? (a) ₹1520 (b) ₹11020 (c) ₹2280 (d) ₹760
10. 10.In how many years will ₹9500 earn ₹2280 simple interest at 6% per year? (a) 4 years (b) 5 years (c) 3 years (d) 8 years
11. 11.What is the simple interest on ₹10000 at 2% per year for 3 years? (a) ₹200 (b) ₹800 (c) ₹600 (d) ₹10600
12. 12.In how many years will ₹3000 earn ₹270 simple interest at 3% per year? (a) 6 years (b) 3 years (c) 4 years (d) 2 years
13. 13.In how many years will ₹8000 earn ₹2560 simple interest at 8% per year? (a) 4 years (b) 3 years (c) 5 years (d) 8 years
14. 14.What is the simple interest on ₹9000 at 11% per year for 2 years? (a) ₹1980 (b) ₹990 (c) ₹10980 (d) ₹2970
15. 15.The simple interest on ₹3000 for 4 years is ₹240. What is the rate per year? (a) 8% (b) 3% (c) 1% (d) 2%
16. 16.In how many years will ₹7000 earn ₹840 simple interest at 4% per year? (a) 3 years (b) 6 years (c) 2 years (d) 4 years
17. 17.What is the simple interest on ₹2000 at 4% per year for 5 years? (a) ₹480 (b) ₹2400 (c) ₹80 (d) ₹400
18. 18.What is the simple interest on ₹2500 at 8% per year for 4 years? (a) ₹3300 (b) ₹1000 (c) ₹800 (d) ₹200
19. 19.The simple interest on ₹6000 for 3 years is ₹360. What is the rate per year? (a) 6% (b) 1% (c) 2% (d) 3%
20. 20.What is the simple interest on ₹6000 at 12% per year for 2 years? (a) ₹720 (b) ₹1440 (c) ₹7440 (d) ₹2160
21. 21.₹1500 is invested at 10% per year simple interest. What is the amount after 2 years? (a) ₹1800 (b) ₹1950 (c) ₹1650 (d) ₹300
22. 22.₹1500 is invested at 8% per year simple interest. What is the amount after 3 years? (a) ₹360 (b) ₹1620 (c) ₹1860 (d) ₹1980
23. 23.What is the simple interest on ₹1000 at 11% per year for 3 years? (a) ₹330 (b) ₹440 (c) ₹110 (d) ₹1330
24. 24.In how many years will ₹2000 earn ₹80 simple interest at 2% per year? (a) 2 years (b) 3 years (c) 1 year (d) 4 years
25. 25.What is the simple interest on ₹9500 at 4% per year for 5 years? (a) ₹2280 (b) ₹380 (c) ₹11400 (d) ₹1900
26. 26.What is the simple interest on ₹3500 at 4% per year for 3 years? (a) ₹140 (b) ₹560 (c) ₹420 (d) ₹3920
27. 27.In how many years will ₹8500 earn ₹1700 simple interest at 10% per year? (a) 2 years (b) 1 year (c) 3 years (d) 4 years
28. 28.₹9000 is invested at 12% per year simple interest. What is the amount after 2 years? (a) ₹11160 (b) ₹2160 (c) ₹10080 (d) ₹12240
29. 29.In how many years will ₹7000 earn ₹2800 simple interest at 8% per year? (a) 10 years (b) 6 years (c) 5 years (d) 4 years
30. 30.What is the simple interest on ₹8000 at 8% per year for 3 years? (a) ₹9920 (b) ₹2560 (c) ₹1920 (d) ₹640
31. 31.What is the simple interest on ₹9000 at 3% per year for 3 years? (a) ₹270 (b) ₹1080 (c) ₹810 (d) ₹9810
32. 32.₹3000 is invested at 6% per year simple interest. What is the amount after 4 years? (a) ₹3180 (b) ₹3720 (c) ₹3900 (d) ₹720
33. 33.What is the simple interest on ₹3500 at 8% per year for 4 years? (a) ₹1400 (b) ₹1120 (c) ₹4620 (d) ₹280
34. 34.The simple interest on ₹9000 for 2 years is ₹1260. What is the rate per year? (a) 8% (b) 14% (c) 7% (d) 6%
35. 35.₹3500 is invested at 8% per year simple interest. What is the amount after 5 years? (a) ₹3780 (b) ₹5180 (c) ₹4900 (d) ₹1400
36. 36.What is the simple interest on ₹9000 at 12% per year for 3 years? (a) ₹3240 (b) ₹1080 (c) ₹12240 (d) ₹4320
37. 37.What is the simple interest on ₹5000 at 8% per year for 5 years? (a) ₹400 (b) ₹2000 (c) ₹7000 (d) ₹2400
38. 38.In how many years will ₹4500 earn ₹1980 simple interest at 11% per year? (a) 3 years (b) 4 years (c) 5 years (d) 8 years
39. 39.What is the simple interest on ₹2500 at 11% per year for 4 years? (a) ₹3600 (b) ₹1375 (c) ₹1100 (d) ₹275
40. 40.In how many years will ₹7000 earn ₹840 simple interest at 6% per year? (a) 1 year (b) 4 years (c) 2 years (d) 3 years

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