Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 588 · 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 ₹6500 earn ₹1170 simple interest at 6% per year? (a) 6 years (b) 4 years (c) 3 years (d) 2 years
2. 2.In how many years will ₹6000 earn ₹480 simple interest at 2% per year? (a) 8 years (b) 4 years (c) 5 years (d) 3 years
3. 3.₹1000 is invested at 5% per year simple interest. What is the amount after 3 years? (a) ₹1200 (b) ₹1150 (c) ₹1050 (d) ₹150
4. 4.The simple interest on ₹6500 for 4 years is ₹2860. What is the rate per year? (a) 12% (b) 44% (c) 10% (d) 11%
5. 5.In how many years will ₹7500 earn ₹1800 simple interest at 12% per year? (a) 3 years (b) 4 years (c) 2 years (d) 1 year
6. 6.What is the simple interest on ₹1000 at 8% per year for 4 years? (a) ₹320 (b) ₹1320 (c) ₹80 (d) ₹400
7. 7.What is the simple interest on ₹6500 at 10% per year for 5 years? (a) ₹650 (b) ₹9750 (c) ₹3250 (d) ₹3900
8. 8.What is the simple interest on ₹4500 at 3% per year for 4 years? (a) ₹675 (b) ₹5040 (c) ₹135 (d) ₹540
9. 9.The simple interest on ₹1500 for 2 years is ₹330. What is the rate per year? (a) 10% (b) 12% (c) 11% (d) 22%
10. 10.The simple interest on ₹3000 for 2 years is ₹540. What is the rate per year? (a) 8% (b) 10% (c) 18% (d) 9%
11. 11.₹8000 is invested at 9% per year simple interest. What is the amount after 5 years? (a) ₹8720 (b) ₹12320 (c) ₹11600 (d) ₹3600
12. 12.The simple interest on ₹5500 for 5 years is ₹2200. What is the rate per year? (a) 40% (b) 7% (c) 9% (d) 8%
13. 13.The simple interest on ₹5000 for 5 years is ₹750. What is the rate per year? (a) 3% (b) 4% (c) 15% (d) 2%
14. 14.In how many years will ₹3500 earn ₹525 simple interest at 3% per year? (a) 10 years (b) 5 years (c) 6 years (d) 4 years
15. 15.In how many years will ₹1500 earn ₹225 simple interest at 5% per year? (a) 2 years (b) 6 years (c) 4 years (d) 3 years
16. 16.In how many years will ₹6500 earn ₹1300 simple interest at 4% per year? (a) 5 years (b) 6 years (c) 4 years (d) 10 years
17. 17.₹2000 is invested at 4% per year simple interest. What is the amount after 4 years? (a) ₹320 (b) ₹2320 (c) ₹2400 (d) ₹2080
18. 18.What is the simple interest on ₹6500 at 8% per year for 5 years? (a) ₹520 (b) ₹9100 (c) ₹2600 (d) ₹3120
19. 19.The simple interest on ₹7500 for 4 years is ₹1500. What is the rate per year? (a) 20% (b) 5% (c) 6% (d) 4%
20. 20.₹8500 is invested at 12% per year simple interest. What is the amount after 4 years? (a) ₹9520 (b) ₹4080 (c) ₹12580 (d) ₹13600
21. 21.What is the simple interest on ₹4500 at 10% per year for 4 years? (a) ₹450 (b) ₹2250 (c) ₹1800 (d) ₹6300
22. 22.The simple interest on ₹7500 for 2 years is ₹1650. What is the rate per year? (a) 12% (b) 10% (c) 11% (d) 22%
23. 23.The simple interest on ₹10000 for 3 years is ₹2100. What is the rate per year? (a) 21% (b) 6% (c) 8% (d) 7%
24. 24.₹2500 is invested at 10% per year simple interest. What is the amount after 3 years? (a) ₹3500 (b) ₹750 (c) ₹2750 (d) ₹3250
25. 25.In how many years will ₹3000 earn ₹900 simple interest at 10% per year? (a) 4 years (b) 2 years (c) 6 years (d) 3 years
26. 26.What is the simple interest on ₹3000 at 8% per year for 3 years? (a) ₹3720 (b) ₹240 (c) ₹960 (d) ₹720
27. 27.What is the simple interest on ₹5000 at 5% per year for 5 years? (a) ₹1250 (b) ₹6250 (c) ₹1500 (d) ₹250
28. 28.The simple interest on ₹6000 for 3 years is ₹1080. What is the rate per year? (a) 6% (b) 18% (c) 5% (d) 7%
29. 29.What is the simple interest on ₹7000 at 6% per year for 5 years? (a) ₹2520 (b) ₹420 (c) ₹9100 (d) ₹2100
30. 30.The simple interest on ₹1500 for 5 years is ₹375. What is the rate per year? (a) 6% (b) 5% (c) 4% (d) 25%
31. 31.What is the simple interest on ₹3500 at 10% per year for 2 years? (a) ₹4200 (b) ₹350 (c) ₹1050 (d) ₹700
32. 32.The simple interest on ₹9000 for 2 years is ₹1080. What is the rate per year? (a) 12% (b) 7% (c) 6% (d) 5%
33. 33.₹4500 is invested at 6% per year simple interest. What is the amount after 2 years? (a) ₹5040 (b) ₹540 (c) ₹5310 (d) ₹4770
34. 34.₹2500 is invested at 3% per year simple interest. What is the amount after 3 years? (a) ₹2725 (b) ₹225 (c) ₹2575 (d) ₹2800
35. 35.What is the simple interest on ₹7500 at 10% per year for 2 years? (a) ₹750 (b) ₹1500 (c) ₹9000 (d) ₹2250
36. 36.The simple interest on ₹7000 for 2 years is ₹280. What is the rate per year? (a) 4% (b) 3% (c) 2% (d) 1%
37. 37.What is the simple interest on ₹6000 at 12% per year for 3 years? (a) ₹8160 (b) ₹2880 (c) ₹720 (d) ₹2160
38. 38.What is the simple interest on ₹6500 at 11% per year for 5 years? (a) ₹3575 (b) ₹10075 (c) ₹715 (d) ₹4290
39. 39.In how many years will ₹9500 earn ₹1425 simple interest at 3% per year? (a) 5 years (b) 10 years (c) 6 years (d) 4 years
40. 40.What is the simple interest on ₹2000 at 11% per year for 3 years? (a) ₹880 (b) ₹2660 (c) ₹660 (d) ₹220

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