CBSE  /  Class 8  /  Maths  /  Factorisation

  • 1. 
    The common factor of 2a²b4c², 8a4b³c4 and 6a³b4c² is

  • 2a²b³c²
  • 6a²b³c²
  • 8a²b³c²
  • a4b4c4

  • 2. 
    The common factor of 3a²b4c², 12b²c4 and 15a³b4c4 is

  • b4c4
  • 3b²c²
  • 15b²c4
  • 12b²c4

  • 3. 
    The common factor of 24x³y4, 36x4z4 and 48x³y²z is

  • 12x³
  • 24x³
  • 36x³
  • 48x³

  • 4. 
    The common factor of 72x³y4z4, 120z²d4x4 and 96y³z4d4 is

  • 96z³
  • 120z³
  • 72z³
  • 24z²

  • 5. 
    The common factor of 36p²q³x4, 48pq³x² and 54p³q³x4 is

  • 6pq³x²
  • 36pq³x²
  • 54pq³x²
  • 48pq³x²

  • 6. 
    The factorisation of 12a²b + 15ab² is

  • 3ab (4a + 5b)
  • 3a²b (4a + 5b)
  • 3ab² (4a + 5b)
  • 3a²b² (4a + 5b)

  • 7. 
    The factorisation of 10x² - 18x³ + 14x4 is

  • 2x² (7x² - 9x + 5)
  • 2x (7x² - 9x + 5)
  • 2 (7x² - 9x + 5)
  • 2x³ (7x² - 9x + 5)

  • 8. 
    The factorisation of 6x - 42 is

  • 6(x - 7)
  • 3(x - 7)
  • 2(x - 7)
  • 6(x + 7)

  • 9. 
    The factorisation of 6x + 12y is

  • 6(x + 2y)
  • 3(x + 4y)
  • 2(3x + 12y)
  • none of these

  • 10. 
    The factorisation of 28a³b5 - 42a5b³ is

  • 14a³b³(2b² - 3a²)
  • 14a²b³(2b² - 3a²)
  • 14a³b²(2b² - 3a²)
  • none of these
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