Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 783 · 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.The simple interest on ₹10000 for 2 years is ₹2400. What is the rate per year? (a) 24% (b) 13% (c) 12% (d) 11%
2. 2.What is the simple interest on ₹5500 at 8% per year for 5 years? (a) ₹440 (b) ₹7700 (c) ₹2640 (d) ₹2200
3. 3.What is the simple interest on ₹6500 at 12% per year for 5 years? (a) ₹4680 (b) ₹10400 (c) ₹780 (d) ₹3900
4. 4.What is the simple interest on ₹9000 at 4% per year for 5 years? (a) ₹10800 (b) ₹360 (c) ₹1800 (d) ₹2160
5. 5.In how many years will ₹1000 earn ₹80 simple interest at 2% per year? (a) 8 years (b) 3 years (c) 4 years (d) 5 years
6. 6.What is the simple interest on ₹5000 at 4% per year for 2 years? (a) ₹400 (b) ₹5400 (c) ₹600 (d) ₹200
7. 7.What is the simple interest on ₹5000 at 4% per year for 4 years? (a) ₹5800 (b) ₹1000 (c) ₹800 (d) ₹200
8. 8.In how many years will ₹8000 earn ₹1760 simple interest at 11% per year? (a) 2 years (b) 3 years (c) 4 years (d) 1 year
9. 9.In how many years will ₹3000 earn ₹1080 simple interest at 9% per year? (a) 8 years (b) 3 years (c) 5 years (d) 4 years
10. 10.In how many years will ₹5500 earn ₹3025 simple interest at 11% per year? (a) 5 years (b) 4 years (c) 6 years (d) 10 years
11. 11.What is the simple interest on ₹2500 at 5% per year for 5 years? (a) ₹3125 (b) ₹125 (c) ₹750 (d) ₹625
12. 12.₹6500 is invested at 3% per year simple interest. What is the amount after 4 years? (a) ₹6695 (b) ₹780 (c) ₹7475 (d) ₹7280
13. 13.In how many years will ₹8000 earn ₹640 simple interest at 2% per year? (a) 8 years (b) 4 years (c) 5 years (d) 3 years
14. 14.What is the simple interest on ₹7000 at 7% per year for 3 years? (a) ₹1960 (b) ₹1470 (c) ₹490 (d) ₹8470
15. 15.What is the simple interest on ₹2000 at 4% per year for 2 years? (a) ₹160 (b) ₹80 (c) ₹2160 (d) ₹240
16. 16.In how many years will ₹3000 earn ₹1080 simple interest at 12% per year? (a) 2 years (b) 6 years (c) 4 years (d) 3 years
17. 17.What is the simple interest on ₹10000 at 7% per year for 4 years? (a) ₹700 (b) ₹2800 (c) ₹3500 (d) ₹12800
18. 18.What is the simple interest on ₹8000 at 2% per year for 3 years? (a) ₹160 (b) ₹640 (c) ₹8480 (d) ₹480
19. 19.The simple interest on ₹3500 for 4 years is ₹1400. What is the rate per year? (a) 9% (b) 11% (c) 10% (d) 40%
20. 20.₹10000 is invested at 2% per year simple interest. What is the amount after 5 years? (a) ₹11200 (b) ₹11000 (c) ₹10200 (d) ₹1000
21. 21.In how many years will ₹6500 earn ₹1300 simple interest at 10% per year? (a) 4 years (b) 1 year (c) 3 years (d) 2 years
22. 22.₹5000 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹5300 (b) ₹200 (c) ₹5200 (d) ₹5100
23. 23.The simple interest on ₹9500 for 3 years is ₹855. What is the rate per year? (a) 3% (b) 4% (c) 9% (d) 2%
24. 24.In how many years will ₹8000 earn ₹1280 simple interest at 8% per year? (a) 4 years (b) 2 years (c) 3 years (d) 1 year
25. 25.₹6500 is invested at 8% per year simple interest. What is the amount after 2 years? (a) ₹7020 (b) ₹1040 (c) ₹8060 (d) ₹7540
26. 26.What is the simple interest on ₹7000 at 7% per year for 4 years? (a) ₹8960 (b) ₹490 (c) ₹2450 (d) ₹1960
27. 27.In how many years will ₹7000 earn ₹2520 simple interest at 9% per year? (a) 3 years (b) 8 years (c) 4 years (d) 5 years
28. 28.In how many years will ₹2000 earn ₹1100 simple interest at 11% per year? (a) 6 years (b) 4 years (c) 5 years (d) 10 years
29. 29.In how many years will ₹2000 earn ₹700 simple interest at 7% per year? (a) 4 years (b) 6 years (c) 5 years (d) 10 years
30. 30.What is the simple interest on ₹5000 at 11% per year for 5 years? (a) ₹550 (b) ₹2750 (c) ₹7750 (d) ₹3300
31. 31.₹4500 is invested at 9% per year simple interest. What is the amount after 3 years? (a) ₹4905 (b) ₹5715 (c) ₹6120 (d) ₹1215
32. 32.What is the simple interest on ₹9500 at 2% per year for 4 years? (a) ₹760 (b) ₹950 (c) ₹190 (d) ₹10260
33. 33.In how many years will ₹1000 earn ₹210 simple interest at 7% per year? (a) 4 years (b) 2 years (c) 3 years (d) 6 years
34. 34.₹6500 is invested at 12% per year simple interest. What is the amount after 5 years? (a) ₹3900 (b) ₹11180 (c) ₹7280 (d) ₹10400
35. 35.₹10000 is invested at 3% per year simple interest. What is the amount after 3 years? (a) ₹900 (b) ₹10900 (c) ₹10300 (d) ₹11200
36. 36.In how many years will ₹7500 earn ₹1200 simple interest at 8% per year? (a) 4 years (b) 1 year (c) 2 years (d) 3 years
37. 37.The simple interest on ₹5000 for 2 years is ₹1100. What is the rate per year? (a) 22% (b) 10% (c) 12% (d) 11%
38. 38.What is the simple interest on ₹7000 at 3% per year for 5 years? (a) ₹1260 (b) ₹8050 (c) ₹210 (d) ₹1050
39. 39.In how many years will ₹6500 earn ₹780 simple interest at 4% per year? (a) 2 years (b) 6 years (c) 3 years (d) 4 years
40. 40.What is the simple interest on ₹3000 at 10% per year for 2 years? (a) ₹3600 (b) ₹600 (c) ₹900 (d) ₹300

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