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Class 8 Maths Final Test Worksheet

Maths worksheets lesson 64: Class 8 final maths test · Set 977 · 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.Find the compound interest on ₹58300 at 20% per year for 2 years, compounded every year (in ₹).
  2. 2.Solve: y/6 + y/3 = 9. What is y?
  3. 3.Write 5.3 × 10⁻¹ as a decimal. =
  4. 4.Solve: 3t + 9 = t + 21. What is t?
  5. 5.The diagonals of a rhombus are 26 cm and 5 cm. What is its area (in square cm)?
  6. 6.The sum of two consecutive whole numbers is 37. What is the smallest of them?
  7. 7.What is the value of 2⁻⁷ (as a fraction)? =
  8. 8.Which of these is a perfect square? (a) 529 (b) 563 (c) 556
  9. 9.What is the smallest whole number by which 45 must be divided to get a perfect square?
  10. 10.What is the sum of the first 28 odd numbers (1 + 3 + 5 + …)?
  11. 11.What is ∛512? =
  12. 12.What is the smallest whole number by which 200 must be multiplied to get a perfect cube?
  13. 13.A square garden has an area of 2704 square m. How long is each side (in m)?
  14. 14.Which of these is a perfect square? (a) 160 (b) 144 (c) 159
  15. 15.What is 17²? =
  16. 16.A cuboid is 13 cm long, 10 cm wide and 7 cm high. What is its total surface area (in square cm)?
  17. 17.What amount will ₹3000 grow to in 1 year at 25% per year compound interest (in ₹)?
  18. 18.The length of a rectangle is 5 cm more than its width. Its perimeter is 122 cm. What is its width (in cm)?
  19. 19.What is ∛5832? =
  20. 20.What is the value of 2³ × 2⁻²? =
  21. 21.6 × 10⁵ =
  22. 22.What amount will ₹22000 grow to in 3 years at 10% per year compound interest (in ₹)?
  23. 23.Use (a + b)(a − b) = a² − b² to find 58 × 42.
  24. 24.The sum of three consecutive whole numbers is 105. What is the largest of them?
  25. 25.What is the value of 2¹⁵? =
  26. 26.Which of these is a perfect square? (a) 1600 (b) 1678 (c) 1604
  27. 27.What is the difference between the compound interest and the simple interest on ₹18000 at 5% per year for 2 years (in ₹)?
  28. 28.What is the value of (2/7)⁻¹? =
  29. 29.Which of these is a perfect cube? (a) 1167 (b) 1223 (c) 1000
  30. 30.Each edge of a cube is 2 cm. What is its total surface area (in square cm)?
  31. 31.What is the smallest whole number by which 10584 must be multiplied to get a perfect cube?
  32. 32.1.3 × 10⁷ =
  33. 33.Find the compound interest on ₹58000 at 25% per year for 2 years, compounded every year (in ₹).
  34. 34.How many whole numbers lie between 39² and 40²?
  35. 35.What is 11³? =
  36. 36.Use (a + b)(a − b) = a² − b² to find 97 × 83.
  37. 37.What is the value of (1/9)⁻¹? =
  38. 38.What is the smallest whole number by which 176 must be divided to get a perfect square?
  39. 39.Solve: p/5 + p/2 = 49. What is p?
  40. 40.What is √7921? =

Answer key

  1. 25652
  2. 18
  3. 0.53
  4. 6
  5. 65
  6. 18
  7. 1/128
  8. 529
  9. 5
  10. 784
  11. 8
  12. 5
  13. 52
  14. 144
  15. 289
  16. 582
  17. 3750
  18. 28
  19. 18
  20. 2
  21. 600000
  22. 29282
  23. 2436
  24. 36
  25. 32768
  26. 1600
  27. 45
  28. 7/2
  29. 1000
  30. 24
  31. 7
  32. 13000000
  33. 32625
  34. 78
  35. 1331
  36. 8051
  37. 9
  38. 11
  39. 70
  40. 89

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