Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 380 · 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 ₹9000 at 10% per year for 5 years? (a) ₹5400 (b) ₹4500 (c) ₹900 (d) ₹13500
2. 2.What is the simple interest on ₹1500 at 6% per year for 2 years? (a) ₹270 (b) ₹1680 (c) ₹180 (d) ₹90
3. 3.What is the simple interest on ₹7000 at 9% per year for 2 years? (a) ₹1260 (b) ₹630 (c) ₹8260 (d) ₹1890
4. 4.What is the simple interest on ₹3500 at 2% per year for 5 years? (a) ₹3850 (b) ₹70 (c) ₹420 (d) ₹350
5. 5.₹6000 is invested at 8% per year simple interest. What is the amount after 4 years? (a) ₹7920 (b) ₹1920 (c) ₹8400 (d) ₹6480
6. 6.₹1000 is invested at 10% per year simple interest. What is the amount after 2 years? (a) ₹1200 (b) ₹1100 (c) ₹1300 (d) ₹200
7. 7.The simple interest on ₹9000 for 2 years is ₹360. What is the rate per year? (a) 4% (b) 2% (c) 1% (d) 3%
8. 8.The simple interest on ₹3000 for 3 years is ₹630. What is the rate per year? (a) 6% (b) 7% (c) 21% (d) 8%
9. 9.The simple interest on ₹8000 for 3 years is ₹2880. What is the rate per year? (a) 12% (b) 13% (c) 36% (d) 11%
10. 10.In how many years will ₹9000 earn ₹1440 simple interest at 4% per year? (a) 8 years (b) 4 years (c) 3 years (d) 5 years
11. 11.What is the simple interest on ₹2000 at 2% per year for 2 years? (a) ₹2080 (b) ₹80 (c) ₹40 (d) ₹120
12. 12.What is the simple interest on ₹9000 at 10% per year for 3 years? (a) ₹11700 (b) ₹3600 (c) ₹900 (d) ₹2700
13. 13.In how many years will ₹4500 earn ₹450 simple interest at 5% per year? (a) 3 years (b) 1 year (c) 2 years (d) 4 years
14. 14.₹1500 is invested at 11% per year simple interest. What is the amount after 3 years? (a) ₹2160 (b) ₹495 (c) ₹1995 (d) ₹1665
15. 15.What is the simple interest on ₹6000 at 7% per year for 3 years? (a) ₹7260 (b) ₹1260 (c) ₹420 (d) ₹1680
16. 16.What is the simple interest on ₹2500 at 2% per year for 4 years? (a) ₹200 (b) ₹250 (c) ₹50 (d) ₹2700
17. 17.In how many years will ₹3000 earn ₹240 simple interest at 4% per year? (a) 1 year (b) 3 years (c) 2 years (d) 4 years
18. 18.The simple interest on ₹5000 for 2 years is ₹400. What is the rate per year? (a) 4% (b) 3% (c) 5% (d) 8%
19. 19.The simple interest on ₹9500 for 4 years is ₹1140. What is the rate per year? (a) 4% (b) 3% (c) 12% (d) 2%
20. 20.₹1500 is invested at 9% per year simple interest. What is the amount after 2 years? (a) ₹1635 (b) ₹1770 (c) ₹270 (d) ₹1905
21. 21.In how many years will ₹7000 earn ₹1400 simple interest at 10% per year? (a) 2 years (b) 1 year (c) 4 years (d) 3 years
22. 22.What is the simple interest on ₹2500 at 3% per year for 5 years? (a) ₹2875 (b) ₹75 (c) ₹375 (d) ₹450
23. 23.In how many years will ₹1000 earn ₹210 simple interest at 7% per year? (a) 4 years (b) 3 years (c) 6 years (d) 2 years
24. 24.In how many years will ₹3000 earn ₹1050 simple interest at 7% per year? (a) 5 years (b) 4 years (c) 10 years (d) 6 years
25. 25.What is the simple interest on ₹10000 at 7% per year for 5 years? (a) ₹3500 (b) ₹4200 (c) ₹700 (d) ₹13500
26. 26.In how many years will ₹7500 earn ₹1500 simple interest at 5% per year? (a) 4 years (b) 5 years (c) 8 years (d) 3 years
27. 27.What is the simple interest on ₹4500 at 5% per year for 2 years? (a) ₹4950 (b) ₹450 (c) ₹675 (d) ₹225
28. 28.What is the simple interest on ₹8500 at 9% per year for 4 years? (a) ₹765 (b) ₹11560 (c) ₹3060 (d) ₹3825
29. 29.In how many years will ₹7500 earn ₹2475 simple interest at 11% per year? (a) 6 years (b) 2 years (c) 3 years (d) 4 years
30. 30.The simple interest on ₹1500 for 5 years is ₹600. What is the rate per year? (a) 40% (b) 7% (c) 9% (d) 8%
31. 31.₹9500 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹10355 (b) ₹570 (c) ₹10070 (d) ₹9785
32. 32.The simple interest on ₹8000 for 4 years is ₹3840. What is the rate per year? (a) 11% (b) 48% (c) 12% (d) 13%
33. 33.What is the simple interest on ₹3500 at 2% per year for 4 years? (a) ₹3780 (b) ₹70 (c) ₹280 (d) ₹350
34. 34.In how many years will ₹3500 earn ₹560 simple interest at 8% per year? (a) 4 years (b) 3 years (c) 2 years (d) 1 year
35. 35.What is the simple interest on ₹5500 at 9% per year for 2 years? (a) ₹1485 (b) ₹495 (c) ₹990 (d) ₹6490
36. 36.₹1000 is invested at 11% per year simple interest. What is the amount after 2 years? (a) ₹1220 (b) ₹220 (c) ₹1330 (d) ₹1110
37. 37.The simple interest on ₹3000 for 3 years is ₹450. What is the rate per year? (a) 15% (b) 6% (c) 4% (d) 5%
38. 38.What is the simple interest on ₹3500 at 4% per year for 3 years? (a) ₹3920 (b) ₹420 (c) ₹140 (d) ₹560
39. 39.What is the simple interest on ₹9500 at 4% per year for 2 years? (a) ₹10260 (b) ₹380 (c) ₹760 (d) ₹1140
40. 40.What is the simple interest on ₹8500 at 8% per year for 5 years? (a) ₹11900 (b) ₹680 (c) ₹3400 (d) ₹4080

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