Class 8 Maths Final Test Worksheet

Maths worksheets lesson 64: Class 8 final maths test · Set 183 · 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.Solve: 5(y − 2) = y + 42. What is y?
2. 2.A square garden has an area of 676 square m. How long is each side (in m)?
3. 3.A scooter is worth ₹4400. Its value falls by 10% every year. What will it be worth after 1 year (in ₹)?
4. 4.What is the value of 2¹⁶? =
5. 5.What is the smallest whole number by which 90 must be divided to get a perfect square?
6. 6.Solve: 3(m − 3) = m + 13. What is m?
7. 7.Write 1.7 × 10⁻³ as a decimal. =
8. 8.Solve: 7x + 5 = 2x + 50. What is x?
9. 9.The length of a rectangle is 3 cm more than its width. Its perimeter is 110 cm. What is its width (in cm)?
10. 10.The sum of two consecutive whole numbers is 49. What is the largest of them?
11. 11.A cube has a volume of 5832 cubic cm. How long is each edge (in cm)?
12. 12.Solve: 4(x − 5) = 2x + 2. What is x?
13. 13.The sum of three consecutive whole numbers is 156. What is the largest of them?
14. 14.Use (a + b)(a − b) = a² − b² to find 82 × 78.
15. 15.A scooter is worth ₹60000. Its value falls by 8% every year. What will it be worth after 2 years (in ₹)?
16. 16.How many whole numbers lie between 41² and 42²?
17. 17.What amount will ₹17500 grow to in 2 years at 8% per year compound interest (in ₹)?
18. 18.Find the value of x² − y² when x = 4 and y = 1.
19. 19.What is the smallest whole number by which 640 must be multiplied to get a perfect square?
20. 20.What is the difference between the compound interest and the simple interest on ₹24600 at 10% per year for 2 years (in ₹)?
21. 21.What amount will ₹47500 grow to in 3 years at 20% per year compound interest (in ₹)?
22. 22.The sum of three consecutive whole numbers is 159. What is the smallest of them?
23. 23.What is the value of (4/9)⁻¹? =
24. 24.A cuboid is 3 cm long, 10 cm wide and 7 cm high. What is its total surface area (in square cm)?
25. 25.What is 27²? =
26. 26.How many whole numbers lie between 9² and 10²?
27. 27.What is ∛5832? =
28. 28.The length of a rectangle is 12 cm more than its width. Its perimeter is 44 cm. What is its width (in cm)?
29. 29.Use (a + b)(a − b) = a² − b² to find 28 × 12.
30. 30.A father is 54 years older than his son. In 8 years, the father will be four times as old as his son. How old is the son now?
31. 31.7.2 × 10⁴ =
32. 32.What amount will ₹3600 grow to in 2 years at 25% per year compound interest (in ₹)?
33. 33.What is the smallest whole number by which 99 must be divided to get a perfect square?
34. 34.What is ∛13824? =
35. 35.Write 3⁵ ÷ 3³ as a single power 3ⁿ. What is n?
36. 36.Write 6⁹ ÷ 6⁷ as a single power 6ⁿ. What is n?
37. 37.What is √2601? =
38. 38.What is 93²? =
39. 39.A cuboid is 6 cm long, 11 cm wide and 10 cm high. What is its total surface area (in square cm)?
40. 40.What is √3969? =

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