Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 364 · 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 ₹6000 at 11% per year for 5 years? (a) ₹9300 (b) ₹3300 (c) ₹660 (d) ₹3960
2. 2.What is the simple interest on ₹7000 at 12% per year for 3 years? (a) ₹3360 (b) ₹2520 (c) ₹840 (d) ₹9520
3. 3.₹1000 is invested at 7% per year simple interest. What is the amount after 4 years? (a) ₹1280 (b) ₹1350 (c) ₹1070 (d) ₹280
4. 4.₹9000 is invested at 2% per year simple interest. What is the amount after 4 years? (a) ₹720 (b) ₹9900 (c) ₹9180 (d) ₹9720
5. 5.The simple interest on ₹4500 for 5 years is ₹2250. What is the rate per year? (a) 50% (b) 11% (c) 9% (d) 10%
6. 6.What is the simple interest on ₹3000 at 8% per year for 2 years? (a) ₹480 (b) ₹3480 (c) ₹720 (d) ₹240
7. 7.₹2000 is invested at 6% per year simple interest. What is the amount after 3 years? (a) ₹2120 (b) ₹2480 (c) ₹2360 (d) ₹360
8. 8.The simple interest on ₹10000 for 2 years is ₹1800. What is the rate per year? (a) 8% (b) 10% (c) 18% (d) 9%
9. 9.What is the simple interest on ₹9000 at 11% per year for 4 years? (a) ₹12960 (b) ₹990 (c) ₹4950 (d) ₹3960
10. 10.The simple interest on ₹8500 for 2 years is ₹2040. What is the rate per year? (a) 11% (b) 12% (c) 24% (d) 13%
11. 11.₹2500 is invested at 7% per year simple interest. What is the amount after 2 years? (a) ₹3025 (b) ₹2675 (c) ₹350 (d) ₹2850
12. 12.What is the simple interest on ₹7000 at 11% per year for 5 years? (a) ₹3850 (b) ₹4620 (c) ₹10850 (d) ₹770
13. 13.₹3500 is invested at 10% per year simple interest. What is the amount after 2 years? (a) ₹3850 (b) ₹4550 (c) ₹4200 (d) ₹700
14. 14.What is the simple interest on ₹3500 at 7% per year for 5 years? (a) ₹4725 (b) ₹245 (c) ₹1225 (d) ₹1470
15. 15.The simple interest on ₹10000 for 3 years is ₹900. What is the rate per year? (a) 4% (b) 9% (c) 3% (d) 2%
16. 16.What is the simple interest on ₹5000 at 4% per year for 5 years? (a) ₹200 (b) ₹6000 (c) ₹1200 (d) ₹1000
17. 17.In how many years will ₹3000 earn ₹1800 simple interest at 12% per year? (a) 5 years (b) 6 years (c) 10 years (d) 4 years
18. 18.₹5500 is invested at 4% per year simple interest. What is the amount after 3 years? (a) ₹5720 (b) ₹6160 (c) ₹660 (d) ₹6380
19. 19.What is the simple interest on ₹6000 at 11% per year for 4 years? (a) ₹3300 (b) ₹8640 (c) ₹2640 (d) ₹660
20. 20.₹8000 is invested at 4% per year simple interest. What is the amount after 3 years? (a) ₹8960 (b) ₹960 (c) ₹8320 (d) ₹9280
21. 21.₹5000 is invested at 7% per year simple interest. What is the amount after 5 years? (a) ₹6750 (b) ₹7100 (c) ₹5350 (d) ₹1750
22. 22.What is the simple interest on ₹3000 at 4% per year for 3 years? (a) ₹480 (b) ₹3360 (c) ₹360 (d) ₹120
23. 23.What is the simple interest on ₹1500 at 5% per year for 5 years? (a) ₹375 (b) ₹1875 (c) ₹450 (d) ₹75
24. 24.In how many years will ₹6500 earn ₹2600 simple interest at 10% per year? (a) 5 years (b) 3 years (c) 8 years (d) 4 years
25. 25.₹6500 is invested at 2% per year simple interest. What is the amount after 3 years? (a) ₹390 (b) ₹6630 (c) ₹6890 (d) ₹7020
26. 26.In how many years will ₹10000 earn ₹2800 simple interest at 7% per year? (a) 8 years (b) 5 years (c) 4 years (d) 3 years
27. 27.The simple interest on ₹7500 for 2 years is ₹1650. What is the rate per year? (a) 10% (b) 11% (c) 22% (d) 12%
28. 28.What is the simple interest on ₹8500 at 4% per year for 2 years? (a) ₹1020 (b) ₹680 (c) ₹340 (d) ₹9180
29. 29.₹6000 is invested at 11% per year simple interest. What is the amount after 4 years? (a) ₹2640 (b) ₹6660 (c) ₹8640 (d) ₹9300
30. 30.In how many years will ₹5000 earn ₹400 simple interest at 2% per year? (a) 5 years (b) 3 years (c) 8 years (d) 4 years
31. 31.₹4000 is invested at 6% per year simple interest. What is the amount after 3 years? (a) ₹4720 (b) ₹4960 (c) ₹4240 (d) ₹720
32. 32.₹3500 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹280 (b) ₹3640 (c) ₹3920 (d) ₹3780
33. 33.In how many years will ₹5000 earn ₹750 simple interest at 5% per year? (a) 4 years (b) 2 years (c) 6 years (d) 3 years
34. 34.The simple interest on ₹4000 for 5 years is ₹400. What is the rate per year? (a) 1% (b) 10% (c) 2% (d) 3%
35. 35.The simple interest on ₹3500 for 2 years is ₹700. What is the rate per year? (a) 20% (b) 9% (c) 10% (d) 11%
36. 36.The simple interest on ₹3000 for 2 years is ₹300. What is the rate per year? (a) 10% (b) 4% (c) 6% (d) 5%
37. 37.The simple interest on ₹6500 for 4 years is ₹1820. What is the rate per year? (a) 8% (b) 7% (c) 28% (d) 6%
38. 38.What is the simple interest on ₹10000 at 10% per year for 4 years? (a) ₹1000 (b) ₹5000 (c) ₹14000 (d) ₹4000
39. 39.What is the simple interest on ₹9500 at 10% per year for 2 years? (a) ₹950 (b) ₹11400 (c) ₹2850 (d) ₹1900
40. 40.The simple interest on ₹3000 for 3 years is ₹360. What is the rate per year? (a) 5% (b) 3% (c) 4% (d) 12%

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