Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 508 · 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 ₹8500 at 3% per year for 2 years? (a) ₹255 (b) ₹510 (c) ₹765 (d) ₹9010
2. 2.What is the simple interest on ₹5000 at 11% per year for 5 years? (a) ₹7750 (b) ₹3300 (c) ₹2750 (d) ₹550
3. 3.The simple interest on ₹8500 for 4 years is ₹1020. What is the rate per year? (a) 4% (b) 12% (c) 3% (d) 2%
4. 4.The simple interest on ₹7500 for 2 years is ₹600. What is the rate per year? (a) 5% (b) 4% (c) 3% (d) 8%
5. 5.In how many years will ₹9500 earn ₹1900 simple interest at 5% per year? (a) 8 years (b) 4 years (c) 3 years (d) 5 years
6. 6.The simple interest on ₹5500 for 4 years is ₹440. What is the rate per year? (a) 3% (b) 8% (c) 1% (d) 2%
7. 7.What is the simple interest on ₹9500 at 3% per year for 5 years? (a) ₹10925 (b) ₹1710 (c) ₹1425 (d) ₹285
8. 8.₹2000 is invested at 6% per year simple interest. What is the amount after 2 years? (a) ₹2360 (b) ₹240 (c) ₹2120 (d) ₹2240
9. 9.The simple interest on ₹4500 for 3 years is ₹405. What is the rate per year? (a) 2% (b) 9% (c) 3% (d) 4%
10. 10.In how many years will ₹9500 earn ₹570 simple interest at 2% per year? (a) 2 years (b) 3 years (c) 6 years (d) 4 years
11. 11.What is the simple interest on ₹5000 at 2% per year for 4 years? (a) ₹100 (b) ₹500 (c) ₹5400 (d) ₹400
12. 12.What is the simple interest on ₹8500 at 5% per year for 5 years? (a) ₹425 (b) ₹2550 (c) ₹10625 (d) ₹2125
13. 13.What is the simple interest on ₹4500 at 5% per year for 5 years? (a) ₹225 (b) ₹1125 (c) ₹1350 (d) ₹5625
14. 14.The simple interest on ₹8500 for 3 years is ₹1785. What is the rate per year? (a) 21% (b) 7% (c) 6% (d) 8%
15. 15.The simple interest on ₹7000 for 5 years is ₹1050. What is the rate per year? (a) 4% (b) 3% (c) 2% (d) 15%
16. 16.What is the simple interest on ₹2500 at 4% per year for 4 years? (a) ₹500 (b) ₹2900 (c) ₹100 (d) ₹400
17. 17.₹5500 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹5940 (b) ₹6160 (c) ₹440 (d) ₹5720
18. 18.What is the simple interest on ₹1000 at 12% per year for 3 years? (a) ₹1360 (b) ₹360 (c) ₹120 (d) ₹480
19. 19.₹8500 is invested at 10% per year simple interest. What is the amount after 4 years? (a) ₹3400 (b) ₹12750 (c) ₹11900 (d) ₹9350
20. 20.The simple interest on ₹4000 for 2 years is ₹320. What is the rate per year? (a) 5% (b) 8% (c) 4% (d) 3%
21. 21.In how many years will ₹9000 earn ₹3960 simple interest at 11% per year? (a) 5 years (b) 8 years (c) 4 years (d) 3 years
22. 22.In how many years will ₹5500 earn ₹440 simple interest at 2% per year? (a) 8 years (b) 3 years (c) 5 years (d) 4 years
23. 23.What is the simple interest on ₹1000 at 5% per year for 4 years? (a) ₹250 (b) ₹200 (c) ₹1200 (d) ₹50
24. 24.₹8000 is invested at 7% per year simple interest. What is the amount after 3 years? (a) ₹9680 (b) ₹8560 (c) ₹1680 (d) ₹10240
25. 25.What is the simple interest on ₹2000 at 9% per year for 4 years? (a) ₹900 (b) ₹720 (c) ₹2720 (d) ₹180
26. 26.₹5000 is invested at 9% per year simple interest. What is the amount after 3 years? (a) ₹6800 (b) ₹5450 (c) ₹6350 (d) ₹1350
27. 27.The simple interest on ₹8000 for 4 years is ₹1600. What is the rate per year? (a) 4% (b) 5% (c) 20% (d) 6%
28. 28.In how many years will ₹8500 earn ₹1530 simple interest at 9% per year? (a) 3 years (b) 1 year (c) 2 years (d) 4 years
29. 29.The simple interest on ₹4500 for 5 years is ₹1125. What is the rate per year? (a) 6% (b) 5% (c) 4% (d) 25%
30. 30.₹8000 is invested at 8% per year simple interest. What is the amount after 5 years? (a) ₹3200 (b) ₹8640 (c) ₹11200 (d) ₹11840
31. 31.What is the simple interest on ₹7500 at 9% per year for 3 years? (a) ₹675 (b) ₹2025 (c) ₹9525 (d) ₹2700
32. 32.₹2500 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹2575 (b) ₹2725 (c) ₹150 (d) ₹2650
33. 33.What is the simple interest on ₹7000 at 12% per year for 5 years? (a) ₹4200 (b) ₹840 (c) ₹5040 (d) ₹11200
34. 34.₹5000 is invested at 3% per year simple interest. What is the amount after 5 years? (a) ₹750 (b) ₹5900 (c) ₹5150 (d) ₹5750
35. 35.What is the simple interest on ₹4500 at 5% per year for 3 years? (a) ₹225 (b) ₹5175 (c) ₹900 (d) ₹675
36. 36.₹8000 is invested at 10% per year simple interest. What is the amount after 5 years? (a) ₹12800 (b) ₹4000 (c) ₹12000 (d) ₹8800
37. 37.₹8000 is invested at 3% per year simple interest. What is the amount after 4 years? (a) ₹8960 (b) ₹8240 (c) ₹960 (d) ₹9200
38. 38.₹4500 is invested at 7% per year simple interest. What is the amount after 4 years? (a) ₹6075 (b) ₹5760 (c) ₹1260 (d) ₹4815
39. 39.What is the simple interest on ₹2000 at 5% per year for 4 years? (a) ₹400 (b) ₹500 (c) ₹2400 (d) ₹100
40. 40.What is the simple interest on ₹4000 at 3% per year for 5 years? (a) ₹600 (b) ₹120 (c) ₹720 (d) ₹4600

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