Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 436 · 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.₹3500 is invested at 2% per year simple interest. What is the amount after 4 years? (a) ₹3780 (b) ₹3570 (c) ₹3850 (d) ₹280
2. 2.In how many years will ₹4000 earn ₹320 simple interest at 4% per year? (a) 3 years (b) 4 years (c) 2 years (d) 1 year
3. 3.What is the simple interest on ₹1500 at 5% per year for 5 years? (a) ₹75 (b) ₹375 (c) ₹1875 (d) ₹450
4. 4.The simple interest on ₹7500 for 2 years is ₹1350. What is the rate per year? (a) 8% (b) 10% (c) 9% (d) 18%
5. 5.In how many years will ₹7500 earn ₹1050 simple interest at 7% per year? (a) 3 years (b) 4 years (c) 1 year (d) 2 years
6. 6.In how many years will ₹4000 earn ₹1400 simple interest at 7% per year? (a) 10 years (b) 4 years (c) 6 years (d) 5 years
7. 7.What is the simple interest on ₹5000 at 8% per year for 3 years? (a) ₹6200 (b) ₹400 (c) ₹1600 (d) ₹1200
8. 8.₹6000 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹480 (b) ₹6720 (c) ₹6240 (d) ₹6480
9. 9.₹1000 is invested at 2% per year simple interest. What is the amount after 5 years? (a) ₹1020 (b) ₹100 (c) ₹1120 (d) ₹1100
10. 10.What is the simple interest on ₹1500 at 9% per year for 5 years? (a) ₹2175 (b) ₹135 (c) ₹675 (d) ₹810
11. 11.What is the simple interest on ₹7500 at 12% per year for 4 years? (a) ₹3600 (b) ₹11100 (c) ₹4500 (d) ₹900
12. 12.The simple interest on ₹3000 for 5 years is ₹1650. What is the rate per year? (a) 55% (b) 10% (c) 11% (d) 12%
13. 13.The simple interest on ₹2500 for 2 years is ₹200. What is the rate per year? (a) 5% (b) 3% (c) 4% (d) 8%
14. 14.₹6000 is invested at 6% per year simple interest. What is the amount after 2 years? (a) ₹7080 (b) ₹6360 (c) ₹6720 (d) ₹720
15. 15.The simple interest on ₹8000 for 2 years is ₹1920. What is the rate per year? (a) 11% (b) 24% (c) 13% (d) 12%
16. 16.In how many years will ₹10000 earn ₹1000 simple interest at 5% per year? (a) 4 years (b) 1 year (c) 3 years (d) 2 years
17. 17.₹1000 is invested at 5% per year simple interest. What is the amount after 2 years? (a) ₹1050 (b) ₹1100 (c) ₹1150 (d) ₹100
18. 18.In how many years will ₹4000 earn ₹600 simple interest at 3% per year? (a) 5 years (b) 4 years (c) 10 years (d) 6 years
19. 19.The simple interest on ₹7500 for 2 years is ₹1650. What is the rate per year? (a) 11% (b) 10% (c) 12% (d) 22%
20. 20.₹4000 is invested at 6% per year simple interest. What is the amount after 3 years? (a) ₹4240 (b) ₹4960 (c) ₹720 (d) ₹4720
21. 21.In how many years will ₹3500 earn ₹770 simple interest at 11% per year? (a) 1 year (b) 2 years (c) 3 years (d) 4 years
22. 22.In how many years will ₹6000 earn ₹2400 simple interest at 10% per year? (a) 3 years (b) 8 years (c) 4 years (d) 5 years
23. 23.In how many years will ₹4000 earn ₹360 simple interest at 3% per year? (a) 6 years (b) 4 years (c) 3 years (d) 2 years
24. 24.₹4000 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹4320 (b) ₹4160 (c) ₹320 (d) ₹4480
25. 25.₹7500 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹7950 (b) ₹7650 (c) ₹7800 (d) ₹300
26. 26.What is the simple interest on ₹9000 at 12% per year for 2 years? (a) ₹1080 (b) ₹11160 (c) ₹2160 (d) ₹3240
27. 27.In how many years will ₹2000 earn ₹700 simple interest at 7% per year? (a) 4 years (b) 10 years (c) 5 years (d) 6 years
28. 28.In how many years will ₹4000 earn ₹1440 simple interest at 9% per year? (a) 4 years (b) 3 years (c) 8 years (d) 5 years
29. 29.₹1000 is invested at 5% per year simple interest. What is the amount after 5 years? (a) ₹1300 (b) ₹1050 (c) ₹1250 (d) ₹250
30. 30.What is the simple interest on ₹9500 at 10% per year for 3 years? (a) ₹3800 (b) ₹12350 (c) ₹950 (d) ₹2850
31. 31.₹4500 is invested at 8% per year simple interest. What is the amount after 5 years? (a) ₹6300 (b) ₹4860 (c) ₹1800 (d) ₹6660
32. 32.What is the simple interest on ₹3500 at 6% per year for 4 years? (a) ₹4340 (b) ₹210 (c) ₹840 (d) ₹1050
33. 33.In how many years will ₹9000 earn ₹2160 simple interest at 12% per year? (a) 1 year (b) 4 years (c) 2 years (d) 3 years
34. 34.In how many years will ₹9000 earn ₹1800 simple interest at 5% per year? (a) 8 years (b) 5 years (c) 3 years (d) 4 years
35. 35.What is the simple interest on ₹1000 at 8% per year for 3 years? (a) ₹80 (b) ₹320 (c) ₹1240 (d) ₹240
36. 36.What is the simple interest on ₹5000 at 2% per year for 2 years? (a) ₹5200 (b) ₹100 (c) ₹200 (d) ₹300
37. 37.In how many years will ₹4000 earn ₹400 simple interest at 2% per year? (a) 5 years (b) 10 years (c) 4 years (d) 6 years
38. 38.What is the simple interest on ₹4500 at 9% per year for 3 years? (a) ₹5715 (b) ₹1620 (c) ₹1215 (d) ₹405
39. 39.In how many years will ₹2000 earn ₹200 simple interest at 2% per year? (a) 6 years (b) 5 years (c) 4 years (d) 10 years
40. 40.In how many years will ₹3500 earn ₹140 simple interest at 2% per year? (a) 3 years (b) 4 years (c) 1 year (d) 2 years

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