Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 251 · 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 ₹5500 earn ₹2750 simple interest at 10% per year? (a) 4 years (b) 6 years (c) 5 years (d) 10 years
2. 2.In how many years will ₹3500 earn ₹700 simple interest at 5% per year? (a) 5 years (b) 4 years (c) 3 years (d) 8 years
3. 3.₹7500 is invested at 9% per year simple interest. What is the amount after 4 years? (a) ₹2700 (b) ₹10200 (c) ₹8175 (d) ₹10875
4. 4.In how many years will ₹4500 earn ₹270 simple interest at 3% per year? (a) 4 years (b) 2 years (c) 3 years (d) 1 year
5. 5.In how many years will ₹6500 earn ₹520 simple interest at 4% per year? (a) 2 years (b) 3 years (c) 4 years (d) 1 year
6. 6.What is the simple interest on ₹1000 at 11% per year for 2 years? (a) ₹1220 (b) ₹110 (c) ₹220 (d) ₹330
7. 7.What is the simple interest on ₹7500 at 9% per year for 2 years? (a) ₹8850 (b) ₹2025 (c) ₹1350 (d) ₹675
8. 8.The simple interest on ₹6500 for 3 years is ₹1170. What is the rate per year? (a) 18% (b) 5% (c) 6% (d) 7%
9. 9.The simple interest on ₹2500 for 3 years is ₹150. What is the rate per year? (a) 3% (b) 6% (c) 1% (d) 2%
10. 10.In how many years will ₹6500 earn ₹1560 simple interest at 6% per year? (a) 3 years (b) 5 years (c) 8 years (d) 4 years
11. 11.In how many years will ₹10000 earn ₹1000 simple interest at 5% per year? (a) 2 years (b) 1 year (c) 3 years (d) 4 years
12. 12.In how many years will ₹9500 earn ₹1140 simple interest at 4% per year? (a) 4 years (b) 6 years (c) 2 years (d) 3 years
13. 13.What is the simple interest on ₹1000 at 4% per year for 5 years? (a) ₹1200 (b) ₹40 (c) ₹200 (d) ₹240
14. 14.₹8000 is invested at 2% per year simple interest. What is the amount after 4 years? (a) ₹640 (b) ₹8160 (c) ₹8640 (d) ₹8800
15. 15.In how many years will ₹2000 earn ₹420 simple interest at 7% per year? (a) 2 years (b) 4 years (c) 6 years (d) 3 years
16. 16.The simple interest on ₹7000 for 3 years is ₹630. What is the rate per year? (a) 3% (b) 2% (c) 9% (d) 4%
17. 17.The simple interest on ₹10000 for 3 years is ₹900. What is the rate per year? (a) 3% (b) 9% (c) 2% (d) 4%
18. 18.The simple interest on ₹7500 for 5 years is ₹750. What is the rate per year? (a) 3% (b) 10% (c) 1% (d) 2%
19. 19.The simple interest on ₹4500 for 2 years is ₹360. What is the rate per year? (a) 5% (b) 8% (c) 3% (d) 4%
20. 20.In how many years will ₹8000 earn ₹3600 simple interest at 9% per year? (a) 6 years (b) 5 years (c) 10 years (d) 4 years
21. 21.What is the simple interest on ₹8000 at 2% per year for 4 years? (a) ₹640 (b) ₹800 (c) ₹160 (d) ₹8640
22. 22.In how many years will ₹9000 earn ₹1260 simple interest at 7% per year? (a) 1 year (b) 3 years (c) 2 years (d) 4 years
23. 23.What is the simple interest on ₹9500 at 12% per year for 3 years? (a) ₹1140 (b) ₹12920 (c) ₹4560 (d) ₹3420
24. 24.What is the simple interest on ₹5000 at 3% per year for 4 years? (a) ₹5600 (b) ₹150 (c) ₹750 (d) ₹600
25. 25.What is the simple interest on ₹5500 at 5% per year for 4 years? (a) ₹6600 (b) ₹1100 (c) ₹1375 (d) ₹275
26. 26.What is the simple interest on ₹3500 at 11% per year for 4 years? (a) ₹5040 (b) ₹385 (c) ₹1925 (d) ₹1540
27. 27.In how many years will ₹9500 earn ₹2280 simple interest at 12% per year? (a) 3 years (b) 4 years (c) 2 years (d) 1 year
28. 28.In how many years will ₹1500 earn ₹90 simple interest at 2% per year? (a) 2 years (b) 4 years (c) 6 years (d) 3 years
29. 29.₹9500 is invested at 6% per year simple interest. What is the amount after 2 years? (a) ₹10070 (b) ₹11210 (c) ₹1140 (d) ₹10640
30. 30.In how many years will ₹2500 earn ₹600 simple interest at 8% per year? (a) 4 years (b) 3 years (c) 2 years (d) 6 years
31. 31.In how many years will ₹1500 earn ₹450 simple interest at 10% per year? (a) 2 years (b) 4 years (c) 6 years (d) 3 years
32. 32.What is the simple interest on ₹6500 at 9% per year for 3 years? (a) ₹8255 (b) ₹2340 (c) ₹1755 (d) ₹585
33. 33.What is the simple interest on ₹2000 at 5% per year for 4 years? (a) ₹100 (b) ₹500 (c) ₹400 (d) ₹2400
34. 34.₹1000 is invested at 9% per year simple interest. What is the amount after 3 years? (a) ₹270 (b) ₹1090 (c) ₹1270 (d) ₹1360
35. 35.The simple interest on ₹1500 for 4 years is ₹120. What is the rate per year? (a) 2% (b) 8% (c) 3% (d) 1%
36. 36.₹3000 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹180 (b) ₹3270 (c) ₹3180 (d) ₹3090
37. 37.The simple interest on ₹9500 for 5 years is ₹5225. What is the rate per year? (a) 12% (b) 11% (c) 10% (d) 55%
38. 38.What is the simple interest on ₹1500 at 5% per year for 3 years? (a) ₹75 (b) ₹1725 (c) ₹300 (d) ₹225
39. 39.In how many years will ₹2500 earn ₹100 simple interest at 2% per year? (a) 1 year (b) 4 years (c) 3 years (d) 2 years
40. 40.₹6500 is invested at 9% per year simple interest. What is the amount after 3 years? (a) ₹1755 (b) ₹8840 (c) ₹7085 (d) ₹8255

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