Class 8 Maths Final Test Worksheet

Maths worksheets lesson 64: Class 8 final maths test · Set 965 · 40 sums

The method (Read, plan, check): Find the type of question first: power, square or cube, equation, identity, area or interest? Use the method from that lesson, step by step. Check: square or cube your root back, put equation answers back in, and work interest year by year.

1. 1.A square garden has an area of 100 square m. How long is each side (in m)?
2. 2.What is ∛13824? =
3. 3.What is 73²? =
4. 4.What is the difference between the compound interest and the simple interest on ₹38200 at 10% per year for 2 years (in ₹)?
5. 5.A father is 30 years older than his son. In 2 years, the father will be four times as old as his son. How old is the son now?
6. 6.Write 2.2 × 10⁻¹ as a decimal. =
7. 7.If a + b = 9 and ab = 20, what is a² + b²?
8. 8.What is 18³? =
9. 9.Find the compound interest on ₹56000 at 5% per year for 3 years, compounded every year (in ₹).
10. 10.What is 53²? =
11. 11.What is ∛1331? =
12. 12.Find the compound interest on ₹9600 at 25% per year for 3 years, compounded every year (in ₹).
13. 13.Write 2.7 × 10⁻³ as a decimal. =
14. 14.Which of these is a perfect cube? (a) 2868 (b) 2832 (c) 2744
15. 15.A cuboid is 7 cm long, 9 cm wide and 5 cm high. What is its total surface area (in square cm)?
16. 16.A room is 10 m long, 4 m wide and 3 m high. What is the area of its four walls (in square m)?
17. 17.A cuboid is 9 cm long, 4 cm wide and 9 cm high. What is its total surface area (in square cm)?
18. 18.The sum of two consecutive whole numbers is 47. What is the largest of them?
19. 19.A cube has a volume of 1000 cubic cm. How long is each edge (in cm)?
20. 20.Use (a − b)² = a² − 2ab + b² to find 66².
21. 21.Solve: 8m + 9 = 5m + 48. What is m?
22. 22.A town has 46000 people. The population grows by 5% every year. What will the population be after 2 years?
23. 23.Use (a + b)² = a² + 2ab + b² to find 56².
24. 24.Use (a − b)² = a² − 2ab + b² to find 97².
25. 25.Find the compound interest on ₹11000 at 10% per year for 3 years, compounded every year (in ₹).
26. 26.What is the value of 8²? =
27. 27.What is the difference between the compound interest and the simple interest on ₹52400 at 15% per year for 2 years (in ₹)?
28. 28.What is 63²? =
29. 29.What is the value of 4⁻¹ (as a fraction)? =
30. 30.What is 19³? =
31. 31.Use (a + b)² = a² + 2ab + b² to find 84².
32. 32.The total surface area of a cube is 726 square cm. How long is each edge (in cm)?
33. 33.What is 51²? =
34. 34.Find the compound interest on ₹50000 at 5% per year for 2 years, compounded every year (in ₹).
35. 35.What amount will ₹11000 grow to in 3 years at 10% per year compound interest (in ₹)?
36. 36.Use (a − b)² = a² − 2ab + b² to find 37².
37. 37.What is 94²? =
38. 38.A scooter is worth ₹2500. Its value falls by 12% every year. What will it be worth after 2 years (in ₹)?
39. 39.Solve: x/3 + x/5 = 48. What is x?
40. 40.Solve: 4y + 11 = 2y + 37. What is y?

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