← Class 8 final maths test lesson New set →

Class 8 Maths Final Test Worksheet

Maths worksheets lesson 64: Class 8 final maths test · Set 879 · 40 sums
TalentJR

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.

NameDateTime takenScore ___ / 40
  1. 1.What is the difference between the compound interest and the simple interest on ₹51600 at 25% per year for 2 years (in ₹)?
  2. 2.The sum of three consecutive whole numbers is 156. What is the smallest of them?
  3. 3.What is √3481? =
  4. 4.Solve: 9p + 20 = 7p + 26. What is p?
  5. 5.Which of these is a perfect square? (a) 1024 (b) 1033 (c) 1068
  6. 6.A father is 17 years older than his son. In 6 years, the father will be twice as old as his son. How old is the son now?
  7. 7.If a + b = 3 and ab = 2, what is a² + b²?
  8. 8.A big cube of edge 8 cm is cut into small cubes of edge 2 cm. How many small cubes are there?
  9. 9.A father is 15 years older than his son. In 3 years, the father will be twice as old as his son. How old is the son now?
  10. 10.Find the value of x² − 2xy + y² when x = 11 and y = 8.
  11. 11.Solve: 5(t − 3) = t + 13. What is t?
  12. 12.Which of these is a perfect square? (a) 911 (b) 908 (c) 900
  13. 13.A town has 25600 people. The population grows by 8% every year. What will the population be after 1 year?
  14. 14.Solve: n/3 + n/6 = 12. What is n?
  15. 15.A cuboid is 5 cm long, 6 cm wide and 9 cm high. What is its total surface area (in square cm)?
  16. 16.4.8 × 10³ =
  17. 17.What is 19³? =
  18. 18.The diagonals of a rhombus are 26 cm and 24 cm. What is its area (in square cm)?
  19. 19.The total surface area of a cube is 1176 square cm. How long is each edge (in cm)?
  20. 20.What is the sum of the first 5 odd numbers (1 + 3 + 5 + …)?
  21. 21.What is the value of 4⁻⁴ (as a fraction)? =
  22. 22.A father is 12 years older than his son. In 3 years, the father will be twice as old as his son. How old is the son now?
  23. 23.Use (a + b)(a − b) = a² − b² to find 65 × 55.
  24. 24.Find the compound interest on ₹39500 at 12% per year for 1 year, compounded every year (in ₹).
  25. 25.Write 5⁷ × 5⁴ as a single power 5ⁿ. What is n?
  26. 26.What is the value of 5²? =
  27. 27.What is the difference between the compound interest and the simple interest on ₹22000 at 15% per year for 2 years (in ₹)?
  28. 28.Use a² − b² = (a + b)(a − b) to find 59² − 13².
  29. 29.Write (5²)⁹ as a single power 5ⁿ. What is n?
  30. 30.What is ∛125? =
  31. 31.The diagonals of a rhombus are 4 cm and 12 cm. What is its area (in square cm)?
  32. 32.A cube has a volume of 8 cubic cm. How long is each edge (in cm)?
  33. 33.What is the value of 4⁷? =
  34. 34.Which of these is a perfect cube? (a) 177 (b) 125 (c) 141
  35. 35.What is 79²? =
  36. 36.What is the value of 6²? =
  37. 37.Solve: 4x + 17 = 2x + 39. What is x?
  38. 38.Solve: t/4 + t/3 = 14. What is t?
  39. 39.Find the compound interest on ₹4700 at 10% per year for 1 year, compounded every year (in ₹).
  40. 40.A trapezium has parallel sides of 11 cm and 19 cm, and the distance between them is 3 cm. What is its area (in square cm)?

Answer key

  1. 3225
  2. 51
  3. 59
  4. 3
  5. 1024
  6. 11
  7. 5
  8. 64
  9. 12
  10. 9
  11. 7
  12. 900
  13. 27648
  14. 24
  15. 258
  16. 4800
  17. 6859
  18. 312
  19. 14
  20. 25
  21. 1/256
  22. 9
  23. 3575
  24. 4740
  25. 11
  26. 25
  27. 495
  28. 3312
  29. 18
  30. 5
  31. 24
  32. 2
  33. 16384
  34. 125
  35. 6241
  36. 36
  37. 11
  38. 24
  39. 470
  40. 45

Free maths worksheets lessons, practice and worksheets at talentjr.in/maths-worksheets