CBSE Board Practice

CBSE Grade VII - Algebraic Expressions
Question 1
1.
    • Which of the following terms can be added to
    • (
      8
      g
      )
    • ?
  • (
    e
    )
  • 7
    g
  • 7
    f
    g
  • (
    6
    e
    f
    g
    )
  • (
    5
    e
    g
    )
Question 2
2.
    • The coefficient of term
    • q
      2
       
      r
      3
       
    • in polynomial
    • (
      8
      p
      3
       
      q
      2
       
      +
      6
      p
      2
       
      q
      r
      3
       
      +
      3
      p
      q
      3
       
      r
      2
       
      8
      p
      q
      +
      3
      q
      2
       
      r
      3
       
      +
      7
      q
      2
       
      r
      2
       
      +
      7
      q
      )
    • is
  • 5
  • 4
  • 2
  • 1
  • 3
Question 3
3.
    • The value of
    • 2

      3
      m
      5
       
    • 2

      5
      m
      5
       
    • 1

      2
      m
      5
       
    • is
  • (
    3

    10
    m
    5
     
    )
  • (
    7

    30
    m
    5
     
    )
  • (
    1

    4
    m
    5
     
    )
  • (
    1

    6
    m
    5
     
    )
  • (
    7

    32
    m
    5
     
    )
Question 4
4.
    • The value of
    • (
      9
      d
      +
      6
      )
    • +
    • (
      d
      2
      )
    • is
  • (
    5
    d
    +
    4
    )
  • (
    9
    d
    +
    4
    )
  • (
    7
    d
    +
    4
    )
  • (
    8
    d
    +
    4
    )
  • (
    11
    d
    +
    4
    )
Question 5
5.
    • The value of
    • (
      7
      k
      4
       
      +
      4
      k
      7
      )
    • +
    • (
      k
      4
       
      5
      k
      2
       
      k
      )
    • +
    • (
      k
      5
       
      9
      k
      4
       
      4
      k
      3
       
      )
    • +
    • (
      8
      k
      4
       
      6
      k
      3
       
      +
      9
      k
      2
       
      )
    • is
  • (
    7
    k
    4
     
    10
    k
    3
     
    +
    4
    k
    2
     
    +
    3
    k
    7
    )
  • (
    2
    k
    5
     
    7
    k
    4
     
    10
    k
    3
     
    +
    4
    k
    2
     
    +
    3
    k
    7
    )
  • (
    3
    k
    5
     
    7
    k
    4
     
    10
    k
    3
     
    +
    4
    k
    2
     
    +
    3
    k
    7
    )
  • (
    2
    k
    5
     
    7
    k
    4
     
    10
    k
    3
     
    +
    4
    k
    2
     
    +
    3
    k
    7
    )
  • (
    k
    5
     
    7
    k
    4
     
    10
    k
    3
     
    +
    4
    k
    2
     
    +
    3
    k
    7
    )
Question 6
6.
    • The value of the polynomial
    • 3
    • at
    •  
    • r
    • =
    • (-1)
    • ,
    • s
    • =
    • 0
    • ,
    • t
    • =
    • 3
    •  
    • is
  • 0
  • 5
  • 3
  • 4
  • 2
Question 7
7.
    • The value of the polynomial
    • (
      6
      r
      2
       
      s
      2
       
      t
      +
      9
      r
      2
       
      9
      r
      s
      t
      )
    • at
    •  
    • r
    • =
    • (-2)
    • ,
    • s
    • =
    • (-4)
    • ,
    • t
    • =
    • 2
    •  
    • is
  • -877
  • -876
  • -878
  • -873
  • -875
Question 8
8.
    • Which of the following is a like term of
    • 8
      d
      e
    • ?
  • 8
    e
    2
     
  • 6
  • 4
    d
    e
  • 6
    d
    2
     
    e
  • 6
    d
Question 9
9.
    • The value of the polynomial
    • (
      6
      w
      x
      y
      +
      8
      w
      x
      )
    • at
    •  
    • w
    • =
    • 3
    • ,
    • x
    • =
    • (-5)
    • ,
    • y
    • =
    • 3
    •  
    • is
  • 149
  • 150
  • 153
  • 148
  • 151
Question 10
10.
    • The sum of the expressions
    • (
      2
      i
      j
      8
      i
      +
      7
      )
    • ,
    • (
      6
      i
      j
      +
      6
      i
      3
      j
      )
    • ,
    • (
      7
      i
      j
      3
      i
      4
      j
      )
    • ,
    • (
      3
      i
      j
      +
      2
      j
      3
      )
    • ,
    • (
      8
      i
      j
      +
      2
      j
      +
      4
      )
    • is
  • (
    11
    i
    j
    5
    i
    3
    j
    +
    8
    )
  • (
    10
    i
    j
    5
    i
    3
    j
    +
    8
    )
  • (
    9
    i
    j
    5
    i
    3
    j
    +
    8
    )
  • (
    10
    i
    j
    3
    i
    3
    j
    +
    8
    )
  • (
    10
    i
    j
    7
    i
    3
    j
    +
    8
    )