Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 136 · 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 ₹8000 at 3% per year for 3 years? (a) ₹8720 (b) ₹960 (c) ₹240 (d) ₹720
2. 2.The simple interest on ₹2500 for 2 years is ₹350. What is the rate per year? (a) 7% (b) 8% (c) 6% (d) 14%
3. 3.₹6000 is invested at 7% per year simple interest. What is the amount after 2 years? (a) ₹6840 (b) ₹6420 (c) ₹7260 (d) ₹840
4. 4.₹3000 is invested at 3% per year simple interest. What is the amount after 3 years? (a) ₹3090 (b) ₹3360 (c) ₹270 (d) ₹3270
5. 5.The simple interest on ₹4500 for 2 years is ₹360. What is the rate per year? (a) 5% (b) 3% (c) 4% (d) 8%
6. 6.What is the simple interest on ₹7500 at 10% per year for 3 years? (a) ₹750 (b) ₹9750 (c) ₹2250 (d) ₹3000
7. 7.What is the simple interest on ₹4000 at 4% per year for 5 years? (a) ₹160 (b) ₹960 (c) ₹800 (d) ₹4800
8. 8.The simple interest on ₹7000 for 2 years is ₹1680. What is the rate per year? (a) 12% (b) 24% (c) 13% (d) 11%
9. 9.What is the simple interest on ₹5500 at 2% per year for 2 years? (a) ₹330 (b) ₹110 (c) ₹5720 (d) ₹220
10. 10.₹4000 is invested at 4% per year simple interest. What is the amount after 3 years? (a) ₹4160 (b) ₹4640 (c) ₹4480 (d) ₹480
11. 11.In how many years will ₹3500 earn ₹700 simple interest at 4% per year? (a) 6 years (b) 10 years (c) 5 years (d) 4 years
12. 12.₹3000 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹3180 (b) ₹3270 (c) ₹3090 (d) ₹180
13. 13.The simple interest on ₹8500 for 4 years is ₹1700. What is the rate per year? (a) 5% (b) 6% (c) 20% (d) 4%
14. 14.In how many years will ₹6500 earn ₹1560 simple interest at 6% per year? (a) 5 years (b) 3 years (c) 4 years (d) 8 years
15. 15.The simple interest on ₹5000 for 3 years is ₹1650. What is the rate per year? (a) 12% (b) 11% (c) 10% (d) 33%
16. 16.₹3500 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹140 (b) ₹3640 (c) ₹3570 (d) ₹3710
17. 17.What is the simple interest on ₹1000 at 8% per year for 2 years? (a) ₹160 (b) ₹80 (c) ₹1160 (d) ₹240
18. 18.The simple interest on ₹3000 for 5 years is ₹600. What is the rate per year? (a) 20% (b) 4% (c) 5% (d) 3%
19. 19.In how many years will ₹3000 earn ₹420 simple interest at 7% per year? (a) 1 year (b) 2 years (c) 3 years (d) 4 years
20. 20.What is the simple interest on ₹6500 at 7% per year for 4 years? (a) ₹2275 (b) ₹455 (c) ₹1820 (d) ₹8320
21. 21.In how many years will ₹4000 earn ₹800 simple interest at 10% per year? (a) 3 years (b) 4 years (c) 1 year (d) 2 years
22. 22.What is the simple interest on ₹2500 at 2% per year for 3 years? (a) ₹2650 (b) ₹50 (c) ₹200 (d) ₹150
23. 23.In how many years will ₹7500 earn ₹900 simple interest at 6% per year? (a) 3 years (b) 2 years (c) 1 year (d) 4 years
24. 24.What is the simple interest on ₹8000 at 4% per year for 3 years? (a) ₹1280 (b) ₹960 (c) ₹8960 (d) ₹320
25. 25.What is the simple interest on ₹3000 at 11% per year for 4 years? (a) ₹1650 (b) ₹1320 (c) ₹4320 (d) ₹330
26. 26.What is the simple interest on ₹3000 at 9% per year for 2 years? (a) ₹810 (b) ₹540 (c) ₹270 (d) ₹3540
27. 27.What is the simple interest on ₹3000 at 3% per year for 3 years? (a) ₹90 (b) ₹360 (c) ₹3270 (d) ₹270
28. 28.What is the simple interest on ₹4000 at 6% per year for 5 years? (a) ₹5200 (b) ₹240 (c) ₹1440 (d) ₹1200
29. 29.₹10000 is invested at 10% per year simple interest. What is the amount after 4 years? (a) ₹15000 (b) ₹14000 (c) ₹11000 (d) ₹4000
30. 30.The simple interest on ₹10000 for 5 years is ₹5500. What is the rate per year? (a) 55% (b) 11% (c) 12% (d) 10%
31. 31.The simple interest on ₹5000 for 2 years is ₹800. What is the rate per year? (a) 16% (b) 9% (c) 7% (d) 8%
32. 32.What is the simple interest on ₹4500 at 10% per year for 5 years? (a) ₹450 (b) ₹2250 (c) ₹2700 (d) ₹6750
33. 33.What is the simple interest on ₹6000 at 9% per year for 2 years? (a) ₹540 (b) ₹7080 (c) ₹1620 (d) ₹1080
34. 34.What is the simple interest on ₹3500 at 8% per year for 3 years? (a) ₹840 (b) ₹280 (c) ₹4340 (d) ₹1120
35. 35.What is the simple interest on ₹6000 at 9% per year for 4 years? (a) ₹540 (b) ₹2700 (c) ₹8160 (d) ₹2160
36. 36.In how many years will ₹8000 earn ₹1200 simple interest at 3% per year? (a) 6 years (b) 5 years (c) 4 years (d) 10 years
37. 37.₹8500 is invested at 4% per year simple interest. What is the amount after 5 years? (a) ₹10200 (b) ₹10540 (c) ₹1700 (d) ₹8840
38. 38.The simple interest on ₹9500 for 2 years is ₹950. What is the rate per year? (a) 6% (b) 10% (c) 5% (d) 4%
39. 39.₹3500 is invested at 12% per year simple interest. What is the amount after 4 years? (a) ₹5180 (b) ₹1680 (c) ₹5600 (d) ₹3920
40. 40.₹7500 is invested at 6% per year simple interest. What is the amount after 4 years? (a) ₹9300 (b) ₹7950 (c) ₹9750 (d) ₹1800

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