EduSahara™ Worksheet
Name : Chapter Based Worksheet
Chapter : Pair of Linear Equations in Two Variables
Grade : CBSE Grade X
License : Non Commercial Use
Question 1
1.
    • Solve the following pair of equations :
    •    
       
       
      12

       
       
      (
      3
      x
      +
      y
      )
        +  
       
       
      15

       
       
      (
      3
      x
      y
      )
      =
       
       
      48
    •    
       
       
      17

       
       
      (
      3
      x
      +
      y
      )
        +  
       
       
      2

       
       
      (
      3
      x
      y
      )
      =
       
       
      (
      86
      )
  • (i)
    (
    7

    144
    ,
    1

    48
    )
  • (ii)
    (
    1

    16
    ,
    1

    48
    )
  • (iii)
    (
    7

    144
    ,
    1

    46
    )
  • (iv)
    (
    7

    146
    ,
    1

    48
    )
  • (v)
    (
    7

    144
    ,
    (
    -1

    48
    )
    )
Question 2
2.
Which of the following are true ?
a)
Equations of two parallel lines have the same constant and coefficients of x and y will not be same
b)
Equations of two parallel lines differ in the constant and coefficients of x and y will not be same
c)
Equations of two parallel lines have the same constant and coefficients of x and y will be same
d)
Equations of two parallel lines differ in the constant term only, coefficients of x and y will be same
  • (i)
    {c,a,d}
  • (ii)
    {d}
  • (iii)
    {b,d}
  • (iv)
    {a,d}
Question 3
3.
Equation of a straight line which is parallel to y-axis (where k is a constant) is
  • (i)
    y
    =
    0
  • (ii)
    y
    =
    k
  • (iii)
    x
    =
    y
  • (iv)
    x
    =
    k
  • (v)
    x
    =
    0
Question 4
4.
    • Solve
    •  
    • (
      x
      3
      y
      +
      9
      )
      =
      0
      (
      2
      x
      6
      y
      +
      18
      )
      =
      0
  • (i)
    (
    (
    7
    )
    ,
    (
    2
    )
    )
  • (ii)
    Infinite solutions
  • (iii)
    (
    3
    ,
    4
    )
  • (iv)
    No solution
  • (v)
    (
    6
    ,
    5
    )
Question 5
5.
    • Solve
    • (
      5
      x
      +
      2
      y
      +
      1
      )
      =
      0
      (
      5
      x
      +
      3
      y
      )
      =
      0
  • (i)
    (
    (
    -1

    25
    )
    ,
    (
    -3

    5
    )
    )
  • (ii)
    (
    (
    -1

    9
    )
    ,
    (
    -1

    3
    )
    )
  • (iii)
    (
    (
    -1

    9
    )
    ,
    (
    -1

    5
    )
    )
  • (iv)
    (
    (
    -1

    25
    )
    ,
    (
    -1

    3
    )
    )
  • (v)
    (
    (
    -3

    25
    )
    ,
    (
    -1

    5
    )
    )
Question 6
6.
    • Solve
    •  
    • (
      7
      x
      4
      y
      13
      )
      =
      0
      (
      x
      +
      1
      )
      =
      0
  • (i)
    (
    (
    1
    )
    ,
    (
    5
    )
    )
  • (ii)
    (
    (
    1
    )
    ,
    0
    )
  • (iii)
    (
    (
    6
    )
    ,
    1
    )
  • (iv)
    (
    3
    ,
    2
    )
  • (v)
    (
    0
    ,
    (
    5
    )
    )
Question 7
7.
    • Which of the following equations satisfy the given points
      • (
        (
        2
        )
        ,
        (
        4
        )
        )
      • ,
      • (
        (
        1
        )
        ,
        (
        5
        )
        )
      • ,
      • (
        0
        ,
        (
        6
        )
        )
      • ,
      • (
        1
        ,
        (
        7
        )
        )
      • ,
      • (
        2
        ,
        (
        8
        )
        )
    • ?
  • (i)
    y
    =
    (
    1
    )
  • (ii)
    y
    =
    (
    x
    6
    )
  • (iii)
    (
    10
    x
    +
    9
    y
    8
    )
    =
    0
  • (iv)
    x
    =
    (
    5
    )
  • (v)
    (
    9
    x
    9
    y
    45
    )
    =
    0
Question 8
8.
    • Find the set of points satisfying the equation
    • y
      =
      (
      5

      2
      x
      )
  • (i)
    • (
      (
      2
      )
      ,
      5
      )
    • ,
    • (
      (
      1
      )
      ,
      5

      2
      )
    • ,
    • (
      (
      2
      )
      ,
      (
      2
      )
      )
    • ,
    • (
      1
      ,
      (
      5

      2
      )
      )
    • ,
    • (
      2
      ,
      (
      5
      )
      )
  • (ii)
    • (
      (
      2
      )
      ,
      5
      )
    • ,
    • (
      (
      1
      )
      ,
      5

      2
      )
    • ,
    • (
      1
      ,
      (
      1
      )
      )
    • ,
    • (
      1
      ,
      (
      5

      2
      )
      )
    • ,
    • (
      2
      ,
      (
      5
      )
      )
  • (iii)
    • (
      (
      2
      )
      ,
      5
      )
    • ,
    • (
      (
      1
      )
      ,
      5

      2
      )
    • ,
    • (
      0
      ,
      0
      )
    • ,
    • (
      0
      ,
      (
      3

      2
      )
      )
    • ,
    • (
      2
      ,
      (
      5
      )
      )
  • (iv)
    • (
      (
      2
      )
      ,
      5
      )
    • ,
    • (
      (
      1
      )
      ,
      5

      2
      )
    • ,
    • (
      0
      ,
      0
      )
    • ,
    • (
      1
      ,
      (
      5

      2
      )
      )
    • ,
    • (
      4
      ,
      (
      3
      )
      )
  • (v)
    • (
      (
      2
      )
      ,
      5
      )
    • ,
    • (
      (
      1
      )
      ,
      5

      2
      )
    • ,
    • (
      0
      ,
      0
      )
    • ,
    • (
      1
      ,
      (
      5

      2
      )
      )
    • ,
    • (
      2
      ,
      (
      5
      )
      )
Question 9
9.
    • Which of the following equations satisfy the given points
      • (
        (
        2
        )
        ,
        (
        2
        )
        )
      • ,
      • (
        (
        2
        )
        ,
        (
        1
        )
        )
      • ,
      • (
        (
        2
        )
        ,
        0
        )
      • ,
      • (
        (
        2
        )
        ,
        1
        )
      • ,
      • (
        (
        2
        )
        ,
        2
        )
    • ?
  • (i)
    (
    13
    x
    7
    y
    37
    )
    =
    0
  • (ii)
    y
    =
    (
    13

    7
    x
    19

    7
    )
  • (iii)
    (
    35
    x
    +
    9
    y
    5
    )
    =
    0
  • (iv)
    x
    =
    (
    2
    )
  • (v)
    x
    =
    (
    13

    7
    y
    27

    7
    )
Question 10
10.
    • Which of the displayed lines represent the equation
    • (
      4
      x
      3
      y
      6
      )
      =
      0
    • ?
  • (i)
      • line with point
      • N
  • (ii)
      • line with point
      • Q
  • (iii)
      • line with point
      • O
  • (iv)
      • line with point
      • M
  • (v)
      • line with point
      • P
Question 11
11.
    • Find the set of points satisfying the equation
    • y
      =
      2
  • (i)
    • (
      (
      2
      )
      ,
      2
      )
    • ,
    • (
      (
      1
      )
      ,
      2
      )
    • ,
    • (
      0
      ,
      2
      )
    • ,
    • (
      0
      ,
      3
      )
    • ,
    • (
      2
      ,
      2
      )
  • (ii)
    • (
      (
      2
      )
      ,
      2
      )
    • ,
    • (
      (
      1
      )
      ,
      2
      )
    • ,
    • (
      0
      ,
      2
      )
    • ,
    • (
      1
      ,
      2
      )
    • ,
    • (
      2
      ,
      2
      )
  • (iii)
    • (
      (
      2
      )
      ,
      2
      )
    • ,
    • (
      (
      1
      )
      ,
      2
      )
    • ,
    • (
      1
      ,
      1
      )
    • ,
    • (
      1
      ,
      2
      )
    • ,
    • (
      2
      ,
      2
      )
  • (iv)
    • (
      (
      2
      )
      ,
      2
      )
    • ,
    • (
      (
      1
      )
      ,
      2
      )
    • ,
    • (
      (
      2
      )
      ,
      0
      )
    • ,
    • (
      1
      ,
      2
      )
    • ,
    • (
      2
      ,
      2
      )
  • (v)
    • (
      (
      2
      )
      ,
      2
      )
    • ,
    • (
      (
      1
      )
      ,
      2
      )
    • ,
    • (
      0
      ,
      2
      )
    • ,
    • (
      1
      ,
      2
      )
    • ,
    • (
      4
      ,
      4
      )
Question 12
12.
    • Solve
    • (
      6
      x
      15
      y
      51
      )
      =
      0
      (
      2
      x
      17
      y
      137
      )
      =
      0
  • (i)
    (
    -9
    ,
    -7
    )
  • (ii)
    (
    -9
    ,
    -8
    )
  • (iii)
    (
    -6
    ,
    -7
    )
  • (iv)
    (
    -8
    ,
    -7
    )
  • (v)
    (
    -9
    ,
    -9
    )
Question 13
13.
The equation of x-axis is
  • (i)
    y
    =
    1
  • (ii)
    x
    =
    1
  • (iii)
    y
    =
    0
  • (iv)
    x
    =
    0
  • (v)
    y
    =
    x
Question 14
14.
    • Solve
    • (
      3
      x
      +
      y
      +
      1
      )
      =
      5
      (
      3
      x
      +
      3
      y
      +
      1
      )
      =
      (
      2
      )
  • (i)
    (
    (
    -9

    4
    )
    ,
    (
    -7

    2
    )
    )
  • (ii)
    (
    (
    -3

    2
    )
    ,
    (
    -9

    2
    )
    )
  • (iii)
    (
    (
    -9

    4
    )
    ,
    -4
    )
  • (iv)
    (
    (
    -3

    2
    )
    ,
    -4
    )
  • (v)
    (
    (
    -5

    2
    )
    ,
    (
    -7

    2
    )
    )
Question 15
15.
Any line parallel to y-axis is
  • (i)
    a horizontal line
  • (ii)
    an oblique line
  • (iii)
    a vertical line
  • (iv)
    a curved line
Question 16
16.
    • Solve the following pair of equations :
    •  
       
      8

       
       
      (
      x
      3
      )
         
       
       
      4

       
       
      (
      y
      8
      )
      =
       
       
      20
    •  
       
      17

       
       
      (
      x
      3
      )
         
       
       
      11

       
       
      (
      y
      8
      )
      =
       
       
      65
  • (i)
    (
    5

    2
    ,
    71

    9
    )
  • (ii)
    (
    1
    ,
    71

    9
    )
  • (iii)
    (
    2
    ,
    71

    9
    )
  • (iv)
    (
    5

    2
    ,
    -2
    )
  • (v)
    (
    5

    2
    ,
    -1
    )
Question 17
17.
    • Solve the following pair of equations :
    • (
      3
      x
      y
      )
      =
      22
      x
      y
    • (
      7
      x
      +
      7
      y
      )
      =
      42
      x
      y
  • (i)
    (
    1
    ,
    (
    -1

    7
    )
    )
  • (ii)
    (
    1

    -1
    ,
    (
    -1

    9
    )
    )
  • (iii)
    (
    1

    -1
    ,
    (
    -1

    7
    )
    )
  • (iv)
    (
    1

    -1
    ,
    1

    7
    )
  • (v)
    (
    0
    ,
    (
    -1

    7
    )
    )
Question 18
18.
A motor boat can travel at a speed of 16.13 m/sec downstream and 9.67 m/sec upstream. What is the speed of the motor boat in still water?
  • (i)
    10.90 m/sec
  • (ii)
    12.90 m/sec
  • (iii)
    11.90 m/sec
  • (iv)
    14.90 m/sec
  • (v)
    13.90 m/sec
Question 19
19.
    • 3
    • men and
    • 4
    • women can do a piece of work in
    • 6
    • days.
    • 2
    • men and
    • 5
    • women can do the same work in
    • 6
    • days.
    • In how many days can
    • 2
    • men and
    • 2
    • women complete the same work?
  • (i)
    10
    1

    2
    days
  • (ii)
    11
    1

    2
    days
  • (iii)
    11
    days
  • (iv)
    9
    1

    2
    days
  • (v)
    10
    1

    4
    days
Question 20
20.
    • Solve
    •  
    • (
      x
      3
      )
      =
      0
      (
      x
      +
      6
      )
      =
      0
  • (i)
    (
    3
    ,
    4
    )
  • (ii)
    No solution
  • (iii)
    (
    (
    9
    )
    ,
    (
    2
    )
    )
  • (iv)
    (
    (
    7
    )
    ,
    0
    )
  • (v)
    Infinite solutions
Question 21
21.
Any line parallel to x-axis is
  • (i)
    a vertical line
  • (ii)
    a curved line
  • (iii)
    a horizontal line
  • (iv)
    an oblique line
Question 22
22.
The equation of the x-axis is
a)
    • x
      =
      1
b)
    • y
      =
      1
c)
    • x
      =
      0
d)
    • x
      =
      y
e)
    • y
      =
      0
  • (i)
    {b,e}
  • (ii)
    {e}
  • (iii)
    {c,d,e}
  • (iv)
    {a,e}
Question 23
23.
    • Solve
    •  
    • (
      x
      7
      y
      11
      )
      =
      0
      (
      3
      x
      3
      y
      +
      9
      )
      =
      0
  • (i)
    (
    2
    ,
    (
    3
    )
    )
  • (ii)
    (
    3
    ,
    0
    )
  • (iii)
    (
    5
    ,
    (
    2
    )
    )
  • (iv)
    (
    6
    ,
    1
    )
  • (v)
    (
    4
    ,
    (
    1
    )
    )
Question 24
24.
    • Write the given equation
    • y
      =
      (
      8

      3
      x
      34

      3
      )
    • in
    • a
      x
      +
      b
      y
      +
      c
      = 0
    • form
  • (i)
    (
    8

    3
    x
    2
    y
    +
    34

    3
    )
    =
    0
  • (ii)
    (
    12

    5
    x
    +
    y
    +
    34

    3
    )
    =
    0
  • (iii)
    (
    8

    3
    x
    +
    4
    y
    +
    34

    3
    )
    =
    0
  • (iv)
    (
    4
    x
    +
    y
    +
    34

    3
    )
    =
    0
  • (v)
    (
    8

    3
    x
    +
    y
    +
    34

    3
    )
    =
    0
Question 25
25.
    • Which of the following pairs of lines are parallel?
  • (i)
      • (
        9
        x
        y
        1
        )
        =
        0
      • ,
      • (
        8
        x
        +
        y
        34
        )
        =
        0
  • (ii)
      • (
        9
        x
        y
        1
        )
        =
        0
      • ,
      • (
        x
        +
        9
        y
        41
        )
        =
        0
  • (iii)
      • (
        9
        x
        y
        1
        )
        =
        0
      • ,
      • (
        9
        x
        +
        y
        38
        )
        =
        0
  • (iv)
      • (
        9
        x
        y
        1
        )
        =
        0
      • ,
      • (
        10
        x
        +
        9
        y
        5
        )
        =
        0
    Assignment Key

  •  1) (i)
  •  2) (ii)
  •  3) (iv)
  •  4) (ii)
  •  5) (v)
  •  6) (i)
  •  7) (ii)
  •  8) (v)
  •  9) (iv)
  •  10) (iv)
  •  11) (ii)
  •  12) (i)
  •  13) (iii)
  •  14) (v)
  •  15) (iii)
  •  16) (i)
  •  17) (iii)
  •  18) (ii)
  •  19) (i)
  •  20) (ii)
  •  21) (iii)
  •  22) (ii)
  •  23) (v)
  •  24) (v)
  •  25) (iii)