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Class 8 Maths Final Test Worksheet

Maths worksheets lesson 64: Class 8 final maths test · Set 889 · 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 ₹13200 at 15% per year for 2 years (in ₹)?
  2. 2.What is the difference between the compound interest and the simple interest on ₹52500 at 4% per year for 2 years (in ₹)?
  3. 3.What is the value of (8/9)⁻¹? =
  4. 4.A big cube of edge 4 cm is cut into small cubes of edge 1 cm. How many small cubes are there?
  5. 5.What is √7744? =
  6. 6.How many whole numbers lie between 17² and 18²?
  7. 7.What is the value of 10³ × 10⁻²? =
  8. 8.Find the compound interest on ₹46200 at 20% per year for 1 year, compounded every year (in ₹).
  9. 9.Write (4⁷)² as a single power 4ⁿ. What is n?
  10. 10.What is √8464? =
  11. 11.A big cube of edge 15 cm is cut into small cubes of edge 3 cm. How many small cubes are there?
  12. 12.Use (a + b)² = a² + 2ab + b² to find 24².
  13. 13.A square garden has an area of 2500 square m. How long is each side (in m)?
  14. 14.The length of a rectangle is 1 cm more than its width. Its perimeter is 22 cm. What is its width (in cm)?
  15. 15.A trapezium has parallel sides of 30 cm and 21 cm, and the distance between them is 10 cm. What is its area (in square cm)?
  16. 16.What is the value of 5³? =
  17. 17.A cuboid is 10 cm long, 3 cm wide and 7 cm high. What is its total surface area (in square cm)?
  18. 18.How many whole numbers lie between 12² and 13²?
  19. 19.A cuboid is 4 cm long, 2 cm wide and 4 cm high. What is its total surface area (in square cm)?
  20. 20.What is the smallest whole number by which 576 must be divided to get a perfect cube?
  21. 21.Find the compound interest on ₹54600 at 12% per year for 1 year, compounded every year (in ₹).
  22. 22.What is the value of (7/9)⁻¹? =
  23. 23.What is 11²? =
  24. 24.The length of a rectangle is 14 cm more than its width. Its perimeter is 60 cm. What is its width (in cm)?
  25. 25.A town has 55200 people. The population grows by 15% every year. What will the population be after 2 years?
  26. 26.What is the value of 3⁶ × 3⁻²? =
  27. 27.The diagonals of a rhombus are 4 cm and 3 cm. What is its area (in square cm)?
  28. 28.Solve: 4(p − 4) = 3p + 7. What is p?
  29. 29.A trapezium has an area of 47 square cm. Its parallel sides are 26 cm and 21 cm. What is the distance between them (in cm)?
  30. 30.What is the value of 10⁴ × 10⁻⁴? =
  31. 31.What is the value of 3³? =
  32. 32.If a + b = 8 and ab = 15, what is a² + b²?
  33. 33.Write 9⁹ ÷ 9⁴ as a single power 9ⁿ. What is n?
  34. 34.A trapezium has parallel sides of 18 cm and 6 cm, and the distance between them is 6 cm. What is its area (in square cm)?
  35. 35.What is the difference between the compound interest and the simple interest on ₹51200 at 25% per year for 2 years (in ₹)?
  36. 36.Solve: t/2 + t/3 = 40. What is t?
  37. 37.How many whole numbers lie between 28² and 29²?
  38. 38.A room is 7 m long, 6 m wide and 4 m high. What is the area of its four walls (in square m)?
  39. 39.The sum of two consecutive whole numbers is 25. What is the smallest of them?
  40. 40.Which of these is a perfect square? (a) 484 (b) 505 (c) 490

Answer key

  1. 297
  2. 84
  3. 9/8
  4. 64
  5. 88
  6. 34
  7. 10
  8. 9240
  9. 14
  10. 92
  11. 125
  12. 576
  13. 50
  14. 5
  15. 255
  16. 125
  17. 242
  18. 24
  19. 64
  20. 9
  21. 6552
  22. 9/7
  23. 121
  24. 8
  25. 73002
  26. 81
  27. 6
  28. 23
  29. 2
  30. 1
  31. 27
  32. 34
  33. 5
  34. 72
  35. 3200
  36. 48
  37. 56
  38. 104
  39. 12
  40. 484

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