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Class 8 Maths Final Test Worksheet

Maths worksheets lesson 64: Class 8 final maths test · Set 36 · 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.Write (2⁶)² as a single power 2ⁿ. What is n?
  2. 2.A father is 8 years older than his son. In 2 years, the father will be twice as old as his son. How old is the son now?
  3. 3.What amount will ₹19200 grow to in 3 years at 25% per year compound interest (in ₹)?
  4. 4.Which of these is a perfect square? (a) 1132 (b) 1089 (c) 1099
  5. 5.Solve: x/2 + x/5 = 35. What is x?
  6. 6.Which of these is a perfect square? (a) 1420 (b) 1369 (c) 1392
  7. 7.Each edge of a cube is 8 cm. What is its total surface area (in square cm)?
  8. 8.A big cube of edge 3 cm is cut into small cubes of edge 1 cm. How many small cubes are there?
  9. 9.A cuboid is 8 cm long, 4 cm wide and 3 cm high. What is its total surface area (in square cm)?
  10. 10.What is the value of 7⁻¹ (as a fraction)? =
  11. 11.Find the compound interest on ₹50000 at 12% per year for 1 year, compounded every year (in ₹).
  12. 12.What amount will ₹57600 grow to in 3 years at 25% per year compound interest (in ₹)?
  13. 13.Solve: 4(y − 3) = 3y + 11. What is y?
  14. 14.What is the value of 4⁷? =
  15. 15.Write 2¹⁰ ÷ 2⁵ as a single power 2ⁿ. What is n?
  16. 16.What amount will ₹8000 grow to in 3 years at 5% per year compound interest (in ₹)?
  17. 17.What is the difference between the compound interest and the simple interest on ₹7500 at 8% per year for 2 years (in ₹)?
  18. 18.What is the difference between the compound interest and the simple interest on ₹37500 at 8% per year for 2 years (in ₹)?
  19. 19.What is √2209? =
  20. 20.What is the value of 10⁵ × 10⁻⁶? =
  21. 21.What is ∛6859? =
  22. 22.Which of these is a perfect cube? (a) 547 (b) 512 (c) 645
  23. 23.Write 4,60,000 in standard form as 4.6 × 10ⁿ. What is n?
  24. 24.A big cube of edge 10 cm is cut into small cubes of edge 2 cm. How many small cubes are there?
  25. 25.Solve: 6(y − 3) = y + 32. What is y?
  26. 26.What is 60²? =
  27. 27.A cuboid is 6 cm long, 5 cm wide and 10 cm high. What is its total surface area (in square cm)?
  28. 28.What is ∛1000? =
  29. 29.Write 8.9 × 10⁻² as a decimal. =
  30. 30.A big cube of edge 6 cm is cut into small cubes of edge 2 cm. How many small cubes are there?
  31. 31.Each edge of a cube is 16 cm. What is its total surface area (in square cm)?
  32. 32.What is ∛4096? =
  33. 33.What is the difference between the compound interest and the simple interest on ₹55000 at 12% per year for 2 years (in ₹)?
  34. 34.A father is 32 years older than his son. In 4 years, the father will be three times as old as his son. How old is the son now?
  35. 35.Each edge of a cube is 18 cm. What is its total surface area (in square cm)?
  36. 36.A scooter is worth ₹3200. Its value falls by 20% every year. What will it be worth after 2 years (in ₹)?
  37. 37.A big cube of edge 8 cm is cut into small cubes of edge 4 cm. How many small cubes are there?
  38. 38.Write 3.9 × 10⁻³ as a decimal. =
  39. 39.A square garden has an area of 225 square m. How long is each side (in m)?
  40. 40.What is the difference between the compound interest and the simple interest on ₹19200 at 25% per year for 2 years (in ₹)?

Answer key

  1. 12
  2. 6
  3. 37500
  4. 1089
  5. 50
  6. 1369
  7. 384
  8. 27
  9. 136
  10. 1/7
  11. 6000
  12. 112500
  13. 23
  14. 16384
  15. 5
  16. 9261
  17. 48
  18. 240
  19. 47
  20. 1/10
  21. 19
  22. 512
  23. 5
  24. 125
  25. 10
  26. 3600
  27. 280
  28. 10
  29. 0.089
  30. 27
  31. 1536
  32. 16
  33. 792
  34. 12
  35. 1944
  36. 2048
  37. 8
  38. 0.0039
  39. 15
  40. 1200

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