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Class 8 Maths Final Test Worksheet

Maths worksheets lesson 64: Class 8 final maths test · Set 794 · 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.Solve: y/6 + y/2 = 24. What is y?
  2. 2.Find the compound interest on ₹60000 at 12% per year for 2 years, compounded every year (in ₹).
  3. 3.A square garden has an area of 2916 square m. How long is each side (in m)?
  4. 4.What is √7744? =
  5. 5.How many whole numbers lie between 8² and 9²?
  6. 6.Write 7.9 × 10⁻³ as a decimal. =
  7. 7.A trapezium has an area of 190 square cm. Its parallel sides are 5 cm and 14 cm. What is the distance between them (in cm)?
  8. 8.What is the value of 2¹ × 2⁻²? =
  9. 9.A scooter is worth ₹2000. Its value falls by 25% every year. What will it be worth after 2 years (in ₹)?
  10. 10.Use (a − b)² = a² − 2ab + b² to find 79².
  11. 11.What is the value of 3⁶? =
  12. 12.A trapezium has parallel sides of 16 cm and 8 cm, and the distance between them is 13 cm. What is its area (in square cm)?
  13. 13.Use (a + b)(a − b) = a² − b² to find 79 × 61.
  14. 14.A trapezium has an area of 153 square cm. Its parallel sides are 11 cm and 6 cm. What is the distance between them (in cm)?
  15. 15.What is √1024? =
  16. 16.What amount will ₹54700 grow to in 1 year at 10% per year compound interest (in ₹)?
  17. 17.The length of a rectangle is 4 cm more than its width. Its perimeter is 40 cm. What is its width (in cm)?
  18. 18.What amount will ₹48200 grow to in 1 year at 8% per year compound interest (in ₹)?
  19. 19.Find the compound interest on ₹23000 at 10% per year for 3 years, compounded every year (in ₹).
  20. 20.Find the compound interest on ₹57300 at 10% per year for 1 year, compounded every year (in ₹).
  21. 21.Find the compound interest on ₹4300 at 5% per year for 1 year, compounded every year (in ₹).
  22. 22.A father is 6 years older than his son. In 1 year, the father will be three times as old as his son. How old is the son now?
  23. 23.The sum of two consecutive whole numbers is 107. What is the smallest of them?
  24. 24.Write 2.5 × 10⁻⁴ as a decimal. =
  25. 25.A trapezium has an area of 92 square cm. Its parallel sides are 21 cm and 2 cm. What is the distance between them (in cm)?
  26. 26.How many whole numbers lie between 26² and 27²?
  27. 27.What amount will ₹16700 grow to in 1 year at 20% per year compound interest (in ₹)?
  28. 28.Which of these is a perfect cube? (a) 152 (b) 160 (c) 125
  29. 29.A big cube of edge 15 cm is cut into small cubes of edge 3 cm. How many small cubes are there?
  30. 30.How many whole numbers lie between 41² and 42²?
  31. 31.Write 2,60,00,000 in standard form as 2.6 × 10ⁿ. What is n?
  32. 32.What is √2601? =
  33. 33.Use (a + b)(a − b) = a² − b² to find 71 × 69.
  34. 34.Use a² − b² = (a + b)(a − b) to find 27² − 14².
  35. 35.What is √2500? =
  36. 36.A cuboid is 5 cm long, 6 cm wide and 10 cm high. What is its total surface area (in square cm)?
  37. 37.Each edge of a cube is 22 cm. What is its total surface area (in square cm)?
  38. 38.How many whole numbers lie between 36² and 37²?
  39. 39.Write 2,500 in standard form as 2.5 × 10ⁿ. What is n?
  40. 40.What amount will ₹18900 grow to in 2 years at 10% per year compound interest (in ₹)?

Answer key

  1. 36
  2. 15264
  3. 54
  4. 88
  5. 16
  6. 0.0079
  7. 20
  8. 1/2
  9. 1125
  10. 6241
  11. 729
  12. 156
  13. 4819
  14. 18
  15. 32
  16. 60170
  17. 8
  18. 52056
  19. 7613
  20. 5730
  21. 215
  22. 2
  23. 53
  24. 0.00025
  25. 8
  26. 52
  27. 20040
  28. 125
  29. 125
  30. 82
  31. 7
  32. 51
  33. 4899
  34. 533
  35. 50
  36. 280
  37. 2904
  38. 72
  39. 3
  40. 22869

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