Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 819 · 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 ₹2500 at 10% per year for 2 years? (a) ₹250 (b) ₹3000 (c) ₹500 (d) ₹750
2. 2.₹7500 is invested at 12% per year simple interest. What is the amount after 3 years? (a) ₹2700 (b) ₹11100 (c) ₹10200 (d) ₹8400
3. 3.The simple interest on ₹1000 for 2 years is ₹80. What is the rate per year? (a) 5% (b) 4% (c) 8% (d) 3%
4. 4.₹8500 is invested at 9% per year simple interest. What is the amount after 5 years? (a) ₹9265 (b) ₹12325 (c) ₹3825 (d) ₹13090
5. 5.₹3500 is invested at 10% per year simple interest. What is the amount after 4 years? (a) ₹5250 (b) ₹3850 (c) ₹4900 (d) ₹1400
6. 6.The simple interest on ₹8500 for 5 years is ₹2550. What is the rate per year? (a) 7% (b) 5% (c) 6% (d) 30%
7. 7.In how many years will ₹2500 earn ₹600 simple interest at 8% per year? (a) 4 years (b) 2 years (c) 3 years (d) 6 years
8. 8.What is the simple interest on ₹3500 at 2% per year for 3 years? (a) ₹70 (b) ₹3710 (c) ₹280 (d) ₹210
9. 9.₹8500 is invested at 12% per year simple interest. What is the amount after 2 years? (a) ₹2040 (b) ₹11560 (c) ₹10540 (d) ₹9520
10. 10.What is the simple interest on ₹2500 at 6% per year for 4 years? (a) ₹750 (b) ₹600 (c) ₹150 (d) ₹3100
11. 11.What is the simple interest on ₹6500 at 2% per year for 3 years? (a) ₹130 (b) ₹520 (c) ₹390 (d) ₹6890
12. 12.In how many years will ₹5000 earn ₹2750 simple interest at 11% per year? (a) 10 years (b) 4 years (c) 5 years (d) 6 years
13. 13.The simple interest on ₹8000 for 2 years is ₹1920. What is the rate per year? (a) 24% (b) 12% (c) 13% (d) 11%
14. 14.In how many years will ₹2500 earn ₹1250 simple interest at 10% per year? (a) 6 years (b) 10 years (c) 5 years (d) 4 years
15. 15.₹8500 is invested at 5% per year simple interest. What is the amount after 3 years? (a) ₹10200 (b) ₹1275 (c) ₹8925 (d) ₹9775
16. 16.In how many years will ₹7500 earn ₹1500 simple interest at 5% per year? (a) 4 years (b) 5 years (c) 3 years (d) 8 years
17. 17.In how many years will ₹2500 earn ₹1500 simple interest at 12% per year? (a) 5 years (b) 6 years (c) 10 years (d) 4 years
18. 18.The simple interest on ₹6000 for 2 years is ₹840. What is the rate per year? (a) 8% (b) 7% (c) 14% (d) 6%
19. 19.What is the simple interest on ₹2500 at 7% per year for 3 years? (a) ₹3025 (b) ₹525 (c) ₹700 (d) ₹175
20. 20.What is the simple interest on ₹4500 at 12% per year for 5 years? (a) ₹2700 (b) ₹3240 (c) ₹7200 (d) ₹540
21. 21.In how many years will ₹1500 earn ₹135 simple interest at 3% per year? (a) 6 years (b) 3 years (c) 4 years (d) 2 years
22. 22.In how many years will ₹9000 earn ₹540 simple interest at 2% per year? (a) 6 years (b) 2 years (c) 3 years (d) 4 years
23. 23.₹3500 is invested at 12% per year simple interest. What is the amount after 3 years? (a) ₹1260 (b) ₹5180 (c) ₹4760 (d) ₹3920
24. 24.The simple interest on ₹4500 for 5 years is ₹1350. What is the rate per year? (a) 5% (b) 6% (c) 30% (d) 7%
25. 25.What is the simple interest on ₹2000 at 10% per year for 3 years? (a) ₹800 (b) ₹200 (c) ₹600 (d) ₹2600
26. 26.In how many years will ₹3000 earn ₹120 simple interest at 2% per year? (a) 1 year (b) 3 years (c) 2 years (d) 4 years
27. 27.In how many years will ₹2500 earn ₹225 simple interest at 3% per year? (a) 4 years (b) 3 years (c) 2 years (d) 6 years
28. 28.₹3000 is invested at 10% per year simple interest. What is the amount after 3 years? (a) ₹4200 (b) ₹3300 (c) ₹900 (d) ₹3900
29. 29.₹1000 is invested at 8% per year simple interest. What is the amount after 4 years? (a) ₹320 (b) ₹1080 (c) ₹1400 (d) ₹1320
30. 30.The simple interest on ₹2500 for 2 years is ₹550. What is the rate per year? (a) 11% (b) 12% (c) 22% (d) 10%
31. 31.In how many years will ₹1500 earn ₹150 simple interest at 5% per year? (a) 1 year (b) 3 years (c) 2 years (d) 4 years
32. 32.₹4000 is invested at 12% per year simple interest. What is the amount after 4 years? (a) ₹5920 (b) ₹1920 (c) ₹6400 (d) ₹4480
33. 33.What is the simple interest on ₹7000 at 4% per year for 2 years? (a) ₹840 (b) ₹7560 (c) ₹560 (d) ₹280
34. 34.What is the simple interest on ₹7000 at 9% per year for 5 years? (a) ₹3150 (b) ₹630 (c) ₹3780 (d) ₹10150
35. 35.What is the simple interest on ₹5000 at 11% per year for 4 years? (a) ₹2750 (b) ₹7200 (c) ₹2200 (d) ₹550
36. 36.The simple interest on ₹8000 for 5 years is ₹2000. What is the rate per year? (a) 6% (b) 4% (c) 5% (d) 25%
37. 37.What is the simple interest on ₹7000 at 2% per year for 3 years? (a) ₹7420 (b) ₹140 (c) ₹420 (d) ₹560
38. 38.What is the simple interest on ₹6000 at 6% per year for 5 years? (a) ₹360 (b) ₹2160 (c) ₹7800 (d) ₹1800
39. 39.What is the simple interest on ₹9000 at 10% per year for 4 years? (a) ₹900 (b) ₹12600 (c) ₹4500 (d) ₹3600
40. 40.₹6000 is invested at 12% per year simple interest. What is the amount after 3 years? (a) ₹6720 (b) ₹2160 (c) ₹8160 (d) ₹8880

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