← Class 8 final maths test lesson New set →

Class 8 Maths Final Test Worksheet

Maths worksheets lesson 64: Class 8 final maths test · Set 274 · 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 amount will ₹48000 grow to in 3 years at 5% per year compound interest (in ₹)?
  2. 2.Solve: p/5 + p/2 = 56. What is p?
  3. 3.What amount will ₹35000 grow to in 3 years at 20% per year compound interest (in ₹)?
  4. 4.Solve: y/4 + y/2 = 15. What is y?
  5. 5.Solve: n/5 + n/2 = 49. What is n?
  6. 6.The length of a rectangle is 13 cm more than its width. Its perimeter is 110 cm. What is its width (in cm)?
  7. 7.A cuboid is 13 cm long, 10 cm wide and 6 cm high. What is its total surface area (in square cm)?
  8. 8.What amount will ₹50000 grow to in 2 years at 8% per year compound interest (in ₹)?
  9. 9.What is the value of 10³? =
  10. 10.What is √6084? =
  11. 11.Use a² − b² = (a + b)(a − b) to find 84² − 8².
  12. 12.How many whole numbers lie between 10² and 11²?
  13. 13.What is the smallest whole number by which 320 must be multiplied to get a perfect square?
  14. 14.What is the smallest whole number by which 384 must be multiplied to get a perfect square?
  15. 15.What is the difference between the compound interest and the simple interest on ₹10000 at 12% per year for 2 years (in ₹)?
  16. 16.A trapezium has an area of 270 square cm. Its parallel sides are 28 cm and 8 cm. What is the distance between them (in cm)?
  17. 17.Solve: 3m + 14 = 2m + 21. What is m?
  18. 18.If a + b = 17 and ab = 72, what is a² + b²?
  19. 19.What amount will ₹22500 grow to in 2 years at 8% per year compound interest (in ₹)?
  20. 20.A trapezium has an area of 102 square cm. Its parallel sides are 16 cm and 18 cm. What is the distance between them (in cm)?
  21. 21.Write 4.5 × 10⁻² as a decimal. =
  22. 22.Which of these is a perfect cube? (a) 216 (b) 220 (c) 296
  23. 23.What is the sum of the first 7 odd numbers (1 + 3 + 5 + …)?
  24. 24.Each edge of a cube is 10 cm. What is its total surface area (in square cm)?
  25. 25.Write 560 in standard form as 5.6 × 10ⁿ. What is n?
  26. 26.The total surface area of a cube is 24 square cm. How long is each edge (in cm)?
  27. 27.Which of these is a perfect cube? (a) 546 (b) 512 (c) 594
  28. 28.If a + b = 6 and ab = 8, what is a² + b²?
  29. 29.A room is 10 m long, 9 m wide and 3 m high. What is the area of its four walls (in square m)?
  30. 30.A cube has a volume of 4913 cubic cm. How long is each edge (in cm)?
  31. 31.What is the difference between the compound interest and the simple interest on ₹45400 at 10% per year for 2 years (in ₹)?
  32. 32.Solve: x/3 + x/4 = 42. What is x?
  33. 33.How many whole numbers lie between 5² and 6²?
  34. 34.A trapezium has an area of 344 square cm. Its parallel sides are 26 cm and 17 cm. What is the distance between them (in cm)?
  35. 35.Find the value of x² + 2xy + y² when x = 9 and y = 6.
  36. 36.What is 10³? =
  37. 37.If a − b = 4 and ab = 5, what is a² + b²?
  38. 38.A town has 13600 people. The population grows by 20% every year. What will the population be after 2 years?
  39. 39.The diagonals of a rhombus are 20 cm and 16 cm. What is its area (in square cm)?
  40. 40.A town has 29300 people. The population grows by 5% every year. What will the population be after 1 year?

Answer key

  1. 55566
  2. 80
  3. 60480
  4. 20
  5. 70
  6. 21
  7. 536
  8. 58320
  9. 1000
  10. 78
  11. 6992
  12. 20
  13. 5
  14. 6
  15. 144
  16. 15
  17. 7
  18. 145
  19. 26244
  20. 6
  21. 0.045
  22. 216
  23. 49
  24. 600
  25. 2
  26. 2
  27. 512
  28. 20
  29. 114
  30. 17
  31. 454
  32. 72
  33. 10
  34. 16
  35. 225
  36. 1000
  37. 26
  38. 19584
  39. 160
  40. 30765

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