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Class 8 Maths Final Test Worksheet

Maths worksheets lesson 64: Class 8 final maths test · Set 788 · 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 ₹52800 at 5% per year for 2 years (in ₹)?
  2. 2.A town has 6800 people. The population grows by 10% every year. What will the population be after 2 years?
  3. 3.A scooter is worth ₹2600. Its value falls by 10% every year. What will it be worth after 1 year (in ₹)?
  4. 4.How many whole numbers lie between 29² and 30²?
  5. 5.Solve: 4(m − 3) = 2m + 20. What is m?
  6. 6.A square garden has an area of 729 square m. How long is each side (in m)?
  7. 7.How many whole numbers lie between 26² and 27²?
  8. 8.Each edge of a cube is 8 cm. What is its total surface area (in square cm)?
  9. 9.A square garden has an area of 3364 square m. How long is each side (in m)?
  10. 10.What is the value of 3⁵ × 3⁻⁶? =
  11. 11.What is the value of (2/7)⁻²? =
  12. 12.What is the value of 2⁷? =
  13. 13.What is the value of 5⁶? =
  14. 14.What is 20³? =
  15. 15.The length of a rectangle is 5 cm more than its width. Its perimeter is 18 cm. What is its width (in cm)?
  16. 16.A father is 27 years older than his son. In 2 years, the father will be four times as old as his son. How old is the son now?
  17. 17.What is 75²? =
  18. 18.A room is 12 m long, 3 m wide and 5 m high. What is the area of its four walls (in square m)?
  19. 19.What is 4³? =
  20. 20.A big cube of edge 6 cm is cut into small cubes of edge 1 cm. How many small cubes are there?
  21. 21.What amount will ₹21500 grow to in 3 years at 20% per year compound interest (in ₹)?
  22. 22.What is the sum of the first 26 odd numbers (1 + 3 + 5 + …)?
  23. 23.Solve: 5(y − 5) = 2y + 8. What is y?
  24. 24.What is the smallest whole number by which 343 must be multiplied to get a perfect square?
  25. 25.Which of these is a perfect square? (a) 676 (b) 707 (c) 709
  26. 26.A square garden has an area of 441 square m. How long is each side (in m)?
  27. 27.4.5 × 10² =
  28. 28.A trapezium has an area of 23 square cm. Its parallel sides are 5 cm and 18 cm. What is the distance between them (in cm)?
  29. 29.What is 83²? =
  30. 30.A scooter is worth ₹5200. Its value falls by 4% every year. What will it be worth after 1 year (in ₹)?
  31. 31.Find the compound interest on ₹7400 at 10% per year for 1 year, compounded every year (in ₹).
  32. 32.What amount will ₹12400 grow to in 2 years at 15% per year compound interest (in ₹)?
  33. 33.The total surface area of a cube is 600 square cm. How long is each edge (in cm)?
  34. 34.Use (a − b)² = a² − 2ab + b² to find 37².
  35. 35.What amount will ₹30500 grow to in 1 year at 4% per year compound interest (in ₹)?
  36. 36.Solve: 5m + 5 = 2m + 23. What is m?
  37. 37.A cube has a volume of 1000 cubic cm. How long is each edge (in cm)?
  38. 38.What is ∛10648? =
  39. 39.A trapezium has an area of 64 square cm. Its parallel sides are 9 cm and 23 cm. What is the distance between them (in cm)?
  40. 40.A room is 7 m long, 4 m wide and 5 m high. What is the area of its four walls (in square m)?

Answer key

  1. 132
  2. 8228
  3. 2340
  4. 58
  5. 16
  6. 27
  7. 52
  8. 384
  9. 58
  10. 1/3
  11. 49/4
  12. 128
  13. 15625
  14. 8000
  15. 2
  16. 7
  17. 5625
  18. 150
  19. 64
  20. 216
  21. 37152
  22. 676
  23. 11
  24. 7
  25. 676
  26. 21
  27. 450
  28. 2
  29. 6889
  30. 4992
  31. 740
  32. 16399
  33. 10
  34. 1369
  35. 31720
  36. 6
  37. 10
  38. 22
  39. 4
  40. 110

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