SSC Board Practice

SSC Grade X - Pair of Linear Equations in Two Variables
Question 1
1.
    • Solve the following pair of equations :
    • (
      2
      x
      +
      7
      y
      )
      =
      (
      4
      x
      y
      )
    • (
      x
      +
      2
      y
      )
      =
      (
      5
      x
      y
      )
  • (
    1

    2
    ,
    (
    -1

    9
    )
    )
  • (
    1

    4
    ,
    (
    -1

    9
    )
    )
  • (
    1

    2
    ,
    (
    -1

    11
    )
    )
  • (
    1

    2
    ,
    1

    9
    )
  • (
    3

    2
    ,
    (
    -1

    9
    )
    )
Question 2
2.
    • Solve
    •  
    • (
      6
      x
      +
      3
      y
      36
      )
      =
      0
      (
      6
      x
      +
      3
      y
      )
      =
      0
  • (
    (
    4
    )
    ,
    4
    )
  • No solution
  • Infinite solutions
  • (
    (
    6
    )
    ,
    2
    )
  • (
    (
    1
    )
    ,
    (
    2
    )
    )
Question 3
3.
    • Solve
    • (
      4
      x
      +
      4
      y
      3
      )
      =
      0
      (
      3
      x
      4
      y
      +
      5
      )
      =
      0
  • (
    (
    -2

    9
    )
    ,
    29

    28
    )
  • (
    0
    ,
    27

    26
    )
  • (
    0
    ,
    27

    28
    )
  • (
    (
    -2

    7
    )
    ,
    29

    28
    )
  • (
    (
    -2

    9
    )
    ,
    27

    26
    )
Question 4
4.
    • Solve the following pair of equations :
    •    
       
       
      6

       
       
      (
      3
      x
      +
      y
      )
         
       
       
      9

       
       
      (
      3
      x
      y
      )
      =
       
       
      27
    •  
       
      6

       
       
      (
      3
      x
      +
      y
      )
         
       
       
      1

       
       
      (
      3
      x
      y
      )
      =
       
       
      (
      57
      )
  • (
    1

    27
    ,
    (
    -4

    9
    )
    )
  • (
    1

    27
    ,
    (
    -2

    7
    )
    )
  • (
    1

    27
    ,
    (
    -2

    9
    )
    )
  • (
    1

    9
    ,
    (
    -2

    9
    )
    )
  • (
    1

    29
    ,
    (
    -2

    9
    )
    )
Question 5
5.
Equation of a straight line which is parallel to x-axis (where k is a constant) is
  • x
    =
    k
  • y
    =
    k
  • x
    =
    0
  • y
    =
    0
  • x
    =
    y
Question 6
6.
    • Find the equation parallel to the given equation
    • (
      4
      x
      3
      y
      8
      )
      =
      0
  • (
    x
    +
    3
    y
    2
    )
    =
    0
  • (
    7
    x
    +
    4
    y
    63
    )
    =
    0
  • (
    4
    x
    3
    y
    4
    )
    =
    0
  • (
    3
    x
    +
    4
    y
    +
    21
    )
    =
    0
Question 7
7.
    • Solve the following pair of equations :
    •    
       
       
      3

       
       
      (
      x
      +
      y
      )
         
       
       
      6

       
       
      (
      x
      y
      )
      =
       
       
      45
    •  
       
      13

       
       
      (
      x
      +
      y
      )
         
       
       
      4

       
       
      (
      x
      y
      )
      =
       
       
      (
      15
      )
  • (
    (
    -1

    4
    )
    ,
    (
    -1

    4
    )
    )
  • (
    (
    -1

    4
    )
    ,
    (
    -1

    10
    )
    )
  • (
    1

    4
    ,
    (
    -1

    12
    )
    )
  • (
    (
    -1

    6
    )
    ,
    (
    -1

    12
    )
    )
  • (
    (
    -1

    4
    )
    ,
    (
    -1

    12
    )
    )
Question 8
8.
    • Find the value of k such that
    • (
      3
      x
      9
      y
      +
      48
      )
      =
      0
    • and
    • (
      k
      x
        +  
      3
      y
         
      18
      ) = 0
    • are parallel to each other
  • -2
  • 2
  • 0
  • -3
  • -1
Question 9
9.
    • Which of the following pairs of lines are parallel?
      • (
        3
        x
        +
        y
        7
        )
        =
        0
      • ,
      • (
        3
        x
        +
        y
        +
        9
        )
        =
        0
      • (
        3
        x
        +
        y
        7
        )
        =
        0
      • ,
      • (
        4
        x
        +
        3
        y
        38
        )
        =
        0
      • (
        3
        x
        +
        y
        7
        )
        =
        0
      • ,
      • (
        2
        x
        +
        y
        +
        6
        )
        =
        0
      • (
        3
        x
        +
        y
        7
        )
        =
        0
      • ,
      • (
        x
        +
        3
        y
        23
        )
        =
        0
Question 10
10.
    • Solve
    • (
      10
      x
      +
      6
      y
      +
      42
      )
      =
      0
      (
      4
      x
      12
      y
      12
      )
      =
      0
  • (
    -1
    ,
    -2
    )
  • (
    -3
    ,
    -2
    )
  • (
    -3
    ,
    -3
    )
  • (
    -2
    ,
    -2
    )
  • (
    -3
    ,
    -4
    )