CBSE Board Practice

Class VI Class VII Class VIII Class IX Class X
CBSE Grade VII - Algebraic Expressions
Question 1
1.
    • The value of
    		•
      1
      5
      i
      2
       
      j
      2
       
      k
      2
       
    • −
    		•
      1
      3
      i
      2
       
      j
      2
       
      k
      2
       
    • −
    		•
      1
      3
      i
      2
       
      j
      2
       
      k
      2
       
    • −
    		•
      1
      2
      i
      2
       
      j
      2
       
      k
      2
       
    • is
  • (
    −
    29
    32
    i
    2
     
    j
    2
     
    k
    2
     
    		)
  • (
    −
    29
    28
    i
    2
     
    j
    2
     
    k
    2
     
    		)
  • (
    −
    29
    30
    i
    2
     
    j
    2
     
    k
    2
     
    		)
  • (
    −
    9
    10
    i
    2
     
    j
    2
     
    k
    2
     
    		)
  • (
    −
    31
    30
    i
    2
     
    j
    2
     
    k
    2
     
    		)
Question 2
2.
    • The coefficient of term
    • m
    • in polynomial
    • (
      −
      l
      2
       
      −
      7
      l
      m
      −
      3
      m
      2
       
      +
      5
      m
      		)
    • is
  • 5
  • 6
  • 8
  • 3
  • 4
Question 3
3.
    • The value of
    		•
      1
      2
      o
      2
       
      p
      2
       
    • +
    		•
      2
      5
      o
      2
       
      p
      2
       
    • +
    		•
      1
      2
      o
      2
       
      p
      2
       
    • +
    		•
      2
      5
      o
      2
       
      p
      2
       
    • is
  • 7
    3
    o
    2
     
    p
    2
     
  • 11
    7
    o
    2
     
    p
    2
     
  • 9
    5
    o
    2
     
    p
    2
     
  • 7
    5
    o
    2
     
    p
    2
     
  • 11
    5
    o
    2
     
    p
    2
     
Question 4
4.
    • The value of the polynomial
    • (
      2
      m
      −
      9
      		)
    • at
    •  
    • m
    • =
    • 3
    • is
  • -4
  • -3
  • -2
  • -6
  • -1
Question 5
5.
    • Which of the following terms can be added to
    • (
      −
      7
      k
      l
      m
      		)
    • ?
  • (
    −
    5
    		)
  • (
    −
    5
    k
    		)
  • l
  • 3
    m
  • k
    l
    m
Question 6
6.
    • The value of
    • 5
      t
      2
       
      u
      2
       
      v
      2
       
    • −
    		•
      3
      t
      2
       
      u
      2
       
      v
      2
       
    • is
  • 0
  • 3
    t
    2
     
    u
    2
     
    v
    2
     
  • 2
    t
    2
     
    u
    2
     
    v
    2
     
  • t
    2
     
    u
    2
     
    v
    2
     
  • 4
    t
    2
     
    u
    2
     
    v
    2
     
Question 7
7.
    • Which of the following terms is a like term of
    • (
      −
      1
      		)
    • ?
  • 8
  • 4
    h
    4
     
  • (
    −
    8
    h
    		)
  • 6
    h
    2
     
  • (
    −
    7
    h
    3
     
    		)
Question 8
8.
Which of the following algebraic expressions is a trinomial?
  • 4
    e
    2
     
    f
    g
    3
     
  • (
    5
    e
    3
     
    f
    3
     
    g
    +
    3
    e
    2
     
    g
    2
     
    −
    5
    e
    f
    3
     
    g
    2
     
    −
    2
    e
    g
    3
     
    		)
  • (
    2
    e
    2
     
    +
    2
    e
    f
    3
     
    g
    2
     
    −
    7
    e
    f
    3
     
    g
    −
    e
    g
    3
     
    		)
  • (
    7
    e
    f
    3
     
    g
    −
    9
    e
    f
    2
     
    g
    +
    5
    e
    f
    g
    3
     
    		)
  • (
    8
    e
    2
     
    f
    g
    3
     
    +
    7
    e
    2
     
    f
    		)
Question 9
9.
    • Which of the following is a factor of
    • 6
      x
      y
      2
       
      z
    • ?
  • 3
    x
    y
    3
     
    z
  • 3
    x
    z
  • x
    2
     
    z
  • 3
    x
    z
    2
     
Question 10
10.
    • The value of
    		•
      1
      3
      t
      u
      v
    • +
    		•
      1
      2
      t
      u
      v
    • is
  • 5
    4
    t
    u
    v
  • 7
    6
    t
    u
    v
  • 5
    8
    t
    u
    v
  • 1
    2
    t
    u
    v
  • 5
    6
    t
    u
    v