Class 8 Maths Final Test Worksheet

Maths worksheets lesson 64: Class 8 final maths test · Set 541 · 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.What is √441? =
2. 2.The total surface area of a cube is 600 square cm. How long is each edge (in cm)?
3. 3.A father is 39 years older than his son. In 1 year, the father will be four times as old as his son. How old is the son now?
4. 4.Find the compound interest on ₹47700 at 25% per year for 1 year, compounded every year (in ₹).
5. 5.Find the compound interest on ₹6000 at 20% per year for 3 years, compounded every year (in ₹).
6. 6.What is 47²? =
7. 7.Use a² − b² = (a + b)(a − b) to find 62² − 54².
8. 8.What is 97²? =
9. 9.Write 260 in standard form as 2.6 × 10ⁿ. What is n?
10. 10.What is 52²? =
11. 11.A cuboid is 9 cm long, 11 cm wide and 10 cm high. What is its total surface area (in square cm)?
12. 12.What is the smallest whole number by which 5 must be divided to get a perfect cube?
13. 13.What is the value of 3⁵ × 3⁻²? =
14. 14.What is the value of 5² × 5⁻¹? =
15. 15.A father is 30 years older than his son. In 3 years, the father will be four times as old as his son. How old is the son now?
16. 16.What is 15³? =
17. 17.What amount will ₹30000 grow to in 2 years at 10% per year compound interest (in ₹)?
18. 18.What is the sum of the first 24 odd numbers (1 + 3 + 5 + …)?
19. 19.What is √625? =
20. 20.Solve: 3p + 11 = p + 15. What is p?
21. 21.The diagonals of a rhombus are 12 cm and 4 cm. What is its area (in square cm)?
22. 22.What is the value of 3²? =
23. 23.What is the sum of the first 23 odd numbers (1 + 3 + 5 + …)?
24. 24.Solve: 3m + 5 = m + 11. What is m?
25. 25.Find the compound interest on ₹21100 at 10% per year for 1 year, compounded every year (in ₹).
26. 26.What is the value of (1/4)⁻¹? =
27. 27.What is 12²? =
28. 28.What is ∛15625? =
29. 29.A big cube of edge 6 cm is cut into small cubes of edge 1 cm. How many small cubes are there?
30. 30.Solve: 4(y − 5) = y + 19. What is y?
31. 31.Find the value of x² + 2xy + y² when x = 5 and y = 4.
32. 32.4.5 × 10³ =
33. 33.Find the compound interest on ₹46800 at 15% per year for 2 years, compounded every year (in ₹).
34. 34.What is 41²? =
35. 35.A town has 35000 people. The population grows by 12% every year. What will the population be after 2 years?
36. 36.Find the compound interest on ₹55400 at 25% per year for 1 year, compounded every year (in ₹).
37. 37.Each edge of a cube is 15 cm. What is its total surface area (in square cm)?
38. 38.What is ∛12167? =
39. 39.What is ∛343? =
40. 40.Find the compound interest on ₹48000 at 5% per year for 3 years, compounded every year (in ₹).

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