Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 212 · 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.In how many years will ₹9000 earn ₹2880 simple interest at 8% per year? (a) 4 years (b) 3 years (c) 8 years (d) 5 years
2. 2.What is the simple interest on ₹2000 at 7% per year for 4 years? (a) ₹140 (b) ₹560 (c) ₹700 (d) ₹2560
3. 3.What is the simple interest on ₹6500 at 11% per year for 2 years? (a) ₹2145 (b) ₹7930 (c) ₹715 (d) ₹1430
4. 4.In how many years will ₹8500 earn ₹1275 simple interest at 5% per year? (a) 3 years (b) 4 years (c) 2 years (d) 6 years
5. 5.In how many years will ₹6500 earn ₹1170 simple interest at 9% per year? (a) 3 years (b) 4 years (c) 2 years (d) 1 year
6. 6.The simple interest on ₹9000 for 4 years is ₹3960. What is the rate per year? (a) 44% (b) 11% (c) 12% (d) 10%
7. 7.₹4500 is invested at 6% per year simple interest. What is the amount after 3 years? (a) ₹4770 (b) ₹810 (c) ₹5310 (d) ₹5580
8. 8.What is the simple interest on ₹3000 at 6% per year for 3 years? (a) ₹540 (b) ₹180 (c) ₹720 (d) ₹3540
9. 9.₹10000 is invested at 6% per year simple interest. What is the amount after 2 years? (a) ₹10600 (b) ₹1200 (c) ₹11800 (d) ₹11200
10. 10.The simple interest on ₹4500 for 3 years is ₹540. What is the rate per year? (a) 3% (b) 5% (c) 4% (d) 12%
11. 11.In how many years will ₹1000 earn ₹200 simple interest at 10% per year? (a) 2 years (b) 4 years (c) 1 year (d) 3 years
12. 12.What is the simple interest on ₹8500 at 6% per year for 2 years? (a) ₹1530 (b) ₹9520 (c) ₹1020 (d) ₹510
13. 13.The simple interest on ₹4500 for 5 years is ₹1125. What is the rate per year? (a) 6% (b) 5% (c) 25% (d) 4%
14. 14.The simple interest on ₹1500 for 2 years is ₹330. What is the rate per year? (a) 11% (b) 12% (c) 22% (d) 10%
15. 15.The simple interest on ₹7500 for 2 years is ₹300. What is the rate per year? (a) 1% (b) 4% (c) 2% (d) 3%
16. 16.₹6500 is invested at 4% per year simple interest. What is the amount after 4 years? (a) ₹7800 (b) ₹7540 (c) ₹1040 (d) ₹6760
17. 17.The simple interest on ₹4500 for 4 years is ₹360. What is the rate per year? (a) 8% (b) 1% (c) 2% (d) 3%
18. 18.₹2000 is invested at 5% per year simple interest. What is the amount after 5 years? (a) ₹500 (b) ₹2100 (c) ₹2600 (d) ₹2500
19. 19.In how many years will ₹3500 earn ₹140 simple interest at 2% per year? (a) 2 years (b) 3 years (c) 4 years (d) 1 year
20. 20.₹6500 is invested at 8% per year simple interest. What is the amount after 5 years? (a) ₹9620 (b) ₹2600 (c) ₹9100 (d) ₹7020
21. 21.The simple interest on ₹2500 for 5 years is ₹625. What is the rate per year? (a) 5% (b) 6% (c) 4% (d) 25%
22. 22.In how many years will ₹10000 earn ₹4000 simple interest at 10% per year? (a) 3 years (b) 5 years (c) 4 years (d) 8 years
23. 23.The simple interest on ₹6000 for 4 years is ₹2160. What is the rate per year? (a) 9% (b) 10% (c) 36% (d) 8%
24. 24.₹1500 is invested at 12% per year simple interest. What is the amount after 5 years? (a) ₹900 (b) ₹1680 (c) ₹2400 (d) ₹2580
25. 25.In how many years will ₹3500 earn ₹840 simple interest at 6% per year? (a) 4 years (b) 5 years (c) 3 years (d) 8 years
26. 26.In how many years will ₹7000 earn ₹420 simple interest at 2% per year? (a) 3 years (b) 2 years (c) 4 years (d) 6 years
27. 27.₹3500 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹3605 (b) ₹210 (c) ₹3815 (d) ₹3710
28. 28.What is the simple interest on ₹6000 at 10% per year for 2 years? (a) ₹1800 (b) ₹1200 (c) ₹7200 (d) ₹600
29. 29.₹3500 is invested at 8% per year simple interest. What is the amount after 3 years? (a) ₹840 (b) ₹4620 (c) ₹4340 (d) ₹3780
30. 30.The simple interest on ₹5000 for 2 years is ₹600. What is the rate per year? (a) 6% (b) 7% (c) 5% (d) 12%
31. 31.What is the simple interest on ₹6500 at 2% per year for 5 years? (a) ₹780 (b) ₹650 (c) ₹7150 (d) ₹130
32. 32.₹5000 is invested at 3% per year simple interest. What is the amount after 3 years? (a) ₹5450 (b) ₹450 (c) ₹5600 (d) ₹5150
33. 33.₹10000 is invested at 11% per year simple interest. What is the amount after 5 years? (a) ₹16600 (b) ₹15500 (c) ₹11100 (d) ₹5500
34. 34.In how many years will ₹10000 earn ₹1000 simple interest at 2% per year? (a) 4 years (b) 6 years (c) 10 years (d) 5 years
35. 35.The simple interest on ₹3000 for 3 years is ₹360. What is the rate per year? (a) 12% (b) 3% (c) 5% (d) 4%
36. 36.The simple interest on ₹2500 for 5 years is ₹500. What is the rate per year? (a) 5% (b) 4% (c) 3% (d) 20%
37. 37.In how many years will ₹5500 earn ₹1320 simple interest at 8% per year? (a) 6 years (b) 2 years (c) 3 years (d) 4 years
38. 38.₹8000 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹8320 (b) ₹8160 (c) ₹320 (d) ₹8480
39. 39.In how many years will ₹4500 earn ₹1215 simple interest at 9% per year? (a) 2 years (b) 6 years (c) 4 years (d) 3 years
40. 40.₹8000 is invested at 8% per year simple interest. What is the amount after 3 years? (a) ₹10560 (b) ₹8640 (c) ₹9920 (d) ₹1920

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