Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 289 · 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.The simple interest on ₹5500 for 2 years is ₹990. What is the rate per year? (a) 10% (b) 9% (c) 8% (d) 18%
2. 2.In how many years will ₹6500 earn ₹2340 simple interest at 12% per year? (a) 2 years (b) 6 years (c) 3 years (d) 4 years
3. 3.What is the simple interest on ₹6000 at 5% per year for 4 years? (a) ₹7200 (b) ₹300 (c) ₹1500 (d) ₹1200
4. 4.The simple interest on ₹3500 for 2 years is ₹280. What is the rate per year? (a) 4% (b) 5% (c) 8% (d) 3%
5. 5.The simple interest on ₹5000 for 2 years is ₹400. What is the rate per year? (a) 3% (b) 8% (c) 5% (d) 4%
6. 6.The simple interest on ₹6500 for 2 years is ₹390. What is the rate per year? (a) 3% (b) 4% (c) 6% (d) 2%
7. 7.₹4500 is invested at 12% per year simple interest. What is the amount after 4 years? (a) ₹2160 (b) ₹6660 (c) ₹7200 (d) ₹5040
8. 8.What is the simple interest on ₹2000 at 8% per year for 3 years? (a) ₹640 (b) ₹480 (c) ₹160 (d) ₹2480
9. 9.What is the simple interest on ₹9000 at 12% per year for 2 years? (a) ₹3240 (b) ₹2160 (c) ₹1080 (d) ₹11160
10. 10.In how many years will ₹3500 earn ₹420 simple interest at 6% per year? (a) 1 year (b) 2 years (c) 3 years (d) 4 years
11. 11.₹2500 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹2650 (b) ₹2550 (c) ₹100 (d) ₹2600
12. 12.The simple interest on ₹7500 for 5 years is ₹2250. What is the rate per year? (a) 7% (b) 30% (c) 5% (d) 6%
13. 13.The simple interest on ₹5000 for 3 years is ₹1350. What is the rate per year? (a) 8% (b) 10% (c) 9% (d) 27%
14. 14.The simple interest on ₹10000 for 5 years is ₹2000. What is the rate per year? (a) 5% (b) 20% (c) 4% (d) 3%
15. 15.The simple interest on ₹10000 for 3 years is ₹900. What is the rate per year? (a) 2% (b) 9% (c) 4% (d) 3%
16. 16.The simple interest on ₹1000 for 2 years is ₹100. What is the rate per year? (a) 5% (b) 4% (c) 6% (d) 10%
17. 17.₹7000 is invested at 7% per year simple interest. What is the amount after 5 years? (a) ₹9940 (b) ₹7490 (c) ₹9450 (d) ₹2450
18. 18.₹8000 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹480 (b) ₹8480 (c) ₹8720 (d) ₹8240
19. 19.In how many years will ₹6000 earn ₹360 simple interest at 2% per year? (a) 4 years (b) 6 years (c) 3 years (d) 2 years
20. 20.What is the simple interest on ₹5000 at 11% per year for 3 years? (a) ₹550 (b) ₹6650 (c) ₹1650 (d) ₹2200
21. 21.In how many years will ₹1000 earn ₹200 simple interest at 4% per year? (a) 5 years (b) 10 years (c) 6 years (d) 4 years
22. 22.In how many years will ₹7500 earn ₹1800 simple interest at 6% per year? (a) 4 years (b) 3 years (c) 8 years (d) 5 years
23. 23.In how many years will ₹4000 earn ₹240 simple interest at 2% per year? (a) 6 years (b) 3 years (c) 2 years (d) 4 years
24. 24.₹3500 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹140 (b) ₹3710 (c) ₹3640 (d) ₹3570
25. 25.What is the simple interest on ₹10000 at 6% per year for 4 years? (a) ₹12400 (b) ₹3000 (c) ₹2400 (d) ₹600
26. 26.What is the simple interest on ₹3000 at 6% per year for 4 years? (a) ₹180 (b) ₹720 (c) ₹3720 (d) ₹900
27. 27.In how many years will ₹3000 earn ₹480 simple interest at 8% per year? (a) 2 years (b) 4 years (c) 1 year (d) 3 years
28. 28.In how many years will ₹7000 earn ₹1750 simple interest at 5% per year? (a) 6 years (b) 5 years (c) 10 years (d) 4 years
29. 29.The simple interest on ₹2500 for 2 years is ₹250. What is the rate per year? (a) 5% (b) 4% (c) 10% (d) 6%
30. 30.₹6000 is invested at 10% per year simple interest. What is the amount after 3 years? (a) ₹1800 (b) ₹8400 (c) ₹6600 (d) ₹7800
31. 31.₹9000 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹9360 (b) ₹360 (c) ₹9180 (d) ₹9540
32. 32.₹8500 is invested at 4% per year simple interest. What is the amount after 5 years? (a) ₹8840 (b) ₹1700 (c) ₹10200 (d) ₹10540
33. 33.₹6500 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹520 (b) ₹6760 (c) ₹7020 (d) ₹7280
34. 34.What is the simple interest on ₹4000 at 7% per year for 2 years? (a) ₹840 (b) ₹280 (c) ₹560 (d) ₹4560
35. 35.₹1500 is invested at 10% per year simple interest. What is the amount after 4 years? (a) ₹2100 (b) ₹1650 (c) ₹600 (d) ₹2250
36. 36.₹5000 is invested at 7% per year simple interest. What is the amount after 2 years? (a) ₹5350 (b) ₹6050 (c) ₹5700 (d) ₹700
37. 37.What is the simple interest on ₹4500 at 10% per year for 2 years? (a) ₹5400 (b) ₹900 (c) ₹1350 (d) ₹450
38. 38.₹8000 is invested at 11% per year simple interest. What is the amount after 2 years? (a) ₹1760 (b) ₹9760 (c) ₹8880 (d) ₹10640
39. 39.₹4000 is invested at 3% per year simple interest. What is the amount after 5 years? (a) ₹4600 (b) ₹600 (c) ₹4120 (d) ₹4720
40. 40.What is the simple interest on ₹9000 at 9% per year for 3 years? (a) ₹2430 (b) ₹3240 (c) ₹810 (d) ₹11430

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