CBSE Board Practice

CBSE Grade VIII - Factorisation
Question 1
1.
    • The quotient of
    • (
      27
      a
      3
       
      +
      180
      a
      b
      c
      +
      64
      b
      3
       
      +
      125
      c
      3
       
      )
    • ÷
    • (
      3
      a
      +
      4
      b
      +
      5
      c
      )
    • is
  • (
    8
    a
    2
     
    +
    12
    a
    b
    +
    15
    a
    c
    +
    16
    b
    2
     
    20
    b
    c
    +
    25
    c
    2
     
    )
  • (
    9
    a
    2
     
    +
    10
    a
    b
    +
    15
    a
    c
    +
    16
    b
    2
     
    20
    b
    c
    +
    25
    c
    2
     
    )
  • (
    10
    a
    2
     
    +
    12
    a
    b
    +
    15
    a
    c
    +
    16
    b
    2
     
    20
    b
    c
    +
    25
    c
    2
     
    )
  • (
    9
    a
    2
     
    +
    15
    a
    b
    +
    15
    a
    c
    +
    16
    b
    2
     
    20
    b
    c
    +
    25
    c
    2
     
    )
  • (
    9
    a
    2
     
    +
    12
    a
    b
    +
    15
    a
    c
    +
    16
    b
    2
     
    20
    b
    c
    +
    25
    c
    2
     
    )
Question 2
2.
    • Factorize
    •  
    • (
      t
      4
       
      4096
      )
      • (
        t
        +
        8
        )
      • (
        t
        8
        )
      • (
        t
        2
         
        16
        )
      • (
        t
        +
        8
        )
      • (
        t
        8
        )
      • (
        t
        8
        )
      • (
        t
        2
         
        +
        64
        )
      • (
        t
        2
         
        16
        )
      • (
        t
        +
        8
        )
      • (
        t
        8
        )
      • (
        t
        2
         
        +
        64
        )
      • (
        t
        +
        8
        )
      • (
        t
        +
        8
        )
      • (
        t
        8
        )
Question 3
3.
    • The quotient when
    • (
      2
      t
      5
       
      +
      5
      t
      4
       
      +
      4
      t
      3
       
      +
      6
      t
      2
       
      4
      t
      6
      )
    • is divided by
    • (
      t
      +
      4
      )
    • is
  • (
    t
    4
     
    +
    13
    t
    3
     
    48
    t
    2
     
    +
    198
    t
    796
    )
  • (
    2
    t
    4
     
    +
    13
    t
    3
     
    48
    t
    2
     
    +
    198
    t
    796
    )
  • (
    t
    4
     
    +
    13
    t
    3
     
    48
    t
    2
     
    +
    198
    t
    796
    )
  • (
    4
    t
    4
     
    +
    13
    t
    3
     
    48
    t
    2
     
    +
    198
    t
    796
    )
  • (
    3
    t
    4
     
    +
    13
    t
    3
     
    48
    t
    2
     
    +
    198
    t
    796
    )
Question 4
4.
    • The quotient of
    • (
      4
      a
      2
       
      b
      2
       
      )
    • ÷
    • (
      2
      a
      +
      b
      )
    • is
  • (
    a
    b
    )
  • (
    2
    a
    3
    b
    )
  • (
    2
    a
    b
    )
  • (
    3
    a
    b
    )
  • (
    2
    a
    +
    b
    )
Question 5
5.
    • The remainder when
    • (
      3
      m
      4
       
      +
      5
      m
      3
       
      8
      m
      2
       
      6
      m
      +
      9
      )
    • is divided by
    • (
      m
      8
      )
    • is
  • (
    10282
    )
  • (
    10280
    )
  • (
    10278
    )
  • (
    10279
    )
  • (
    10277
    )
Question 6
6.
    • The quotient when
    • (
      3
      f
      )
    • is divided by
    • (
      3
      )
    • is
  • (
    f
    )
  • f
  • 2
    f
  • 4
    f
  • 0
Question 7
7.
    • The quotient when
    • (
      8
      q
      2
       
      +
      4
      q
      +
      7
      )
    • is divided by
    • (
      q
      1
      )
    • is
  • (
    9
    q
    +
    12
    )
  • (
    7
    q
    +
    12
    )
  • (
    11
    q
    +
    12
    )
  • (
    5
    q
    +
    12
    )
  • (
    8
    q
    +
    12
    )
Question 8
8.
    • The quotient when
    • (
      5
      q
      4
       
      4
      q
      3
       
      8
      q
      2
       
      +
      q
      +
      6
      )
    • is divided by
    • (
      q
      2
       
      +
      q
      56
      )
    • is
  • (
    4
    q
    2
     
    +
    q
    289
    )
  • (
    8
    q
    2
     
    +
    q
    289
    )
  • (
    6
    q
    2
     
    +
    q
    289
    )
  • (
    5
    q
    2
     
    +
    q
    289
    )
  • (
    2
    q
    2
     
    +
    q
    289
    )
Question 9
9.
    • Which of the following is not an irreducible factor of
    • (
      x
      2
       
      y
      +
      x
      y
      2
       
      +
      x
      y
      )
    • ?
  • x
    y
  • y
  • (
    x
    +
    y
    +
    1
    )
  • x
Question 10
10.
    • Factorize
    •  
       
      49
      a
      3
         
       
       
      81
      a
      • (
        7
        a
        +
        9
        )
      • (
        7
        a
        9
        )
      • a
      • (
        7
        a
        9
        )
      • (
        7
        a
        2
         
        +
        9
        )
      • a
      • (
        7
        a
        +
        9
        )
      • (
        9
        a
        7
        )
      • a
      • (
        7
        a
        2
         
        +
        9
        )
      • (
        9
        a
        7
        )
      • a
      • (
        7
        a
        +
        9
        )
      • (
        7
        a
        2
         
        +
        9
        )
      • a