Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 453 · 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.₹5500 is invested at 5% per year simple interest. What is the amount after 4 years? (a) ₹1100 (b) ₹5775 (c) ₹6600 (d) ₹6875
2. 2.What is the simple interest on ₹8000 at 4% per year for 3 years? (a) ₹8960 (b) ₹320 (c) ₹1280 (d) ₹960
3. 3.What is the simple interest on ₹1000 at 12% per year for 2 years? (a) ₹360 (b) ₹1240 (c) ₹120 (d) ₹240
4. 4.The simple interest on ₹8500 for 5 years is ₹3400. What is the rate per year? (a) 7% (b) 9% (c) 8% (d) 40%
5. 5.The simple interest on ₹3000 for 5 years is ₹750. What is the rate per year? (a) 4% (b) 6% (c) 25% (d) 5%
6. 6.The simple interest on ₹1500 for 4 years is ₹120. What is the rate per year? (a) 2% (b) 3% (c) 1% (d) 8%
7. 7.₹1500 is invested at 5% per year simple interest. What is the amount after 3 years? (a) ₹225 (b) ₹1800 (c) ₹1575 (d) ₹1725
8. 8.In how many years will ₹2500 earn ₹200 simple interest at 2% per year? (a) 8 years (b) 3 years (c) 5 years (d) 4 years
9. 9.What is the simple interest on ₹1000 at 9% per year for 4 years? (a) ₹450 (b) ₹360 (c) ₹90 (d) ₹1360
10. 10.The simple interest on ₹9500 for 3 years is ₹1710. What is the rate per year? (a) 6% (b) 5% (c) 18% (d) 7%
11. 11.₹6500 is invested at 10% per year simple interest. What is the amount after 4 years? (a) ₹9100 (b) ₹7150 (c) ₹9750 (d) ₹2600
12. 12.What is the simple interest on ₹6500 at 2% per year for 2 years? (a) ₹6760 (b) ₹260 (c) ₹390 (d) ₹130
13. 13.The simple interest on ₹1000 for 3 years is ₹60. What is the rate per year? (a) 6% (b) 3% (c) 1% (d) 2%
14. 14.In how many years will ₹10000 earn ₹1000 simple interest at 2% per year? (a) 5 years (b) 6 years (c) 10 years (d) 4 years
15. 15.₹5500 is invested at 9% per year simple interest. What is the amount after 2 years? (a) ₹5995 (b) ₹6985 (c) ₹990 (d) ₹6490
16. 16.₹2500 is invested at 11% per year simple interest. What is the amount after 4 years? (a) ₹1100 (b) ₹2775 (c) ₹3600 (d) ₹3875
17. 17.In how many years will ₹2500 earn ₹450 simple interest at 9% per year? (a) 1 year (b) 4 years (c) 3 years (d) 2 years
18. 18.In how many years will ₹9000 earn ₹1440 simple interest at 8% per year? (a) 1 year (b) 4 years (c) 2 years (d) 3 years
19. 19.In how many years will ₹5500 earn ₹990 simple interest at 9% per year? (a) 2 years (b) 1 year (c) 3 years (d) 4 years
20. 20.What is the simple interest on ₹4000 at 4% per year for 4 years? (a) ₹4640 (b) ₹800 (c) ₹160 (d) ₹640
21. 21.The simple interest on ₹9500 for 5 years is ₹4275. What is the rate per year? (a) 10% (b) 8% (c) 45% (d) 9%
22. 22.What is the simple interest on ₹9500 at 10% per year for 2 years? (a) ₹1900 (b) ₹950 (c) ₹2850 (d) ₹11400
23. 23.₹2500 is invested at 10% per year simple interest. What is the amount after 3 years? (a) ₹750 (b) ₹3500 (c) ₹3250 (d) ₹2750
24. 24.In how many years will ₹2500 earn ₹1000 simple interest at 8% per year? (a) 4 years (b) 6 years (c) 5 years (d) 10 years
25. 25.What is the simple interest on ₹1500 at 12% per year for 4 years? (a) ₹180 (b) ₹900 (c) ₹2220 (d) ₹720
26. 26.The simple interest on ₹1500 for 2 years is ₹240. What is the rate per year? (a) 9% (b) 16% (c) 8% (d) 7%
27. 27.What is the simple interest on ₹10000 at 7% per year for 2 years? (a) ₹2100 (b) ₹700 (c) ₹1400 (d) ₹11400
28. 28.₹9000 is invested at 8% per year simple interest. What is the amount after 2 years? (a) ₹11160 (b) ₹10440 (c) ₹9720 (d) ₹1440
29. 29.In how many years will ₹4500 earn ₹1620 simple interest at 9% per year? (a) 5 years (b) 4 years (c) 8 years (d) 3 years
30. 30.₹8500 is invested at 4% per year simple interest. What is the amount after 3 years? (a) ₹1020 (b) ₹9520 (c) ₹8840 (d) ₹9860
31. 31.What is the simple interest on ₹7000 at 2% per year for 2 years? (a) ₹420 (b) ₹7280 (c) ₹140 (d) ₹280
32. 32.₹3000 is invested at 10% per year simple interest. What is the amount after 2 years? (a) ₹3900 (b) ₹3300 (c) ₹600 (d) ₹3600
33. 33.₹1000 is invested at 9% per year simple interest. What is the amount after 3 years? (a) ₹1090 (b) ₹1360 (c) ₹1270 (d) ₹270
34. 34.The simple interest on ₹6000 for 3 years is ₹1800. What is the rate per year? (a) 9% (b) 10% (c) 11% (d) 30%
35. 35.What is the simple interest on ₹3000 at 10% per year for 4 years? (a) ₹1200 (b) ₹300 (c) ₹4200 (d) ₹1500
36. 36.In how many years will ₹7000 earn ₹2520 simple interest at 9% per year? (a) 5 years (b) 3 years (c) 8 years (d) 4 years
37. 37.In how many years will ₹5500 earn ₹1925 simple interest at 7% per year? (a) 6 years (b) 4 years (c) 10 years (d) 5 years
38. 38.In how many years will ₹6000 earn ₹1920 simple interest at 8% per year? (a) 5 years (b) 3 years (c) 8 years (d) 4 years
39. 39.What is the simple interest on ₹7000 at 9% per year for 2 years? (a) ₹8260 (b) ₹1890 (c) ₹630 (d) ₹1260
40. 40.In how many years will ₹7000 earn ₹3080 simple interest at 11% per year? (a) 4 years (b) 5 years (c) 3 years (d) 8 years

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