ICSE Board Practice

Class VI Class VII Class VIII Class IX Class X
ICSE Grade VIII - Simple Linear Equations
Question 1
1.
The ages of A and B are in the ratio 2 : 1. 9 years hence, their ages will be in the ratio 11 : 6. Find their present ages.
  • 90
    		:
    45
  • 94
    		:
    47
  • 88
    		:
    44
  • 86
    		:
    43
Question 2
2.
    • The additive inverse of the expression
    • (
      2
      x
      +
      1
      		)
    • is
  • (
    2
    x
    +
    1
    		)
  • (
    −
    2
    x
    −
    1
    		)
  • (
    −
    2
    x
    −
    4
    		)
  • (
    −
    3
    x
    −
    1
    		)
  • (
    −
    2
    x
    +
    1
    		)
Question 3
3.
    • Which of the following equations is not the same as
    • (
      5
      x
      +
      3
      		)
      =
      9
  • (
    5
    x
    +
    1
    		)
    =
    7
  • (
    5
    x
    +
    6
    		)
    =
    6
  • (
    5
    x
    +
    5
    		)
    =
    11
  • (
    5
    x
    −
    2
    		)
    =
    4
  • (
    5
    x
    +
    8
    		)
    =
    14
Question 4
4.
    • Which of the following equations is equivalent to
    • (
      −
      6
      x
      +
      9
      		)
      =
      0
  • (
    −
    6
    x
    		)
    =
    (
    −
    14
    		)
  • (
    −
    6
    x
    		)
    =
    (
    −
    10
    		)
  • (
    −
    6
    x
    		)
    =
    (
    −
    8
    		)
  • (
    −
    6
    x
    		)
    =
    (
    −
    9
    		)
  • (
    −
    6
    x
    		)
    =
    (
    −
    4
    		)
Question 5
5.
    • Solve :
    •  
       
      (
      −
      3
      x
      −
      3
      		)
      		  +  
       
       
      (
      −
      3
      x
      +
      5
      		)
       
       
      18
      =
       
       
      (
      −
      5
      x
      −
      3
      		)
  • (
    -1
    7
    		 )
  • (
    -1
    11
    		 )
  • (
    -5
    31
    		 )
  • (
    -5
    33
    		 )
  • (
    -7
    33
    		 )
Question 6
6.
    • Solve the equation
    • (
      x
      +
      3
      		)
      =
      0
  • -2
  • -3
  • -6
  • -1
  • -4
Question 7
7.
    • Solve :
    •  
       
      (
      x
      −
      3
      		)
       
       
      5
      		  +  
       
       
      (
      −
      x
      −
      5
      		)
       
       
      10
      =
       
       
      (
      −
      x
      −
      2
      		)
       
       
      2
  • 1
    6
  • 1
    8
  • 1
    4
  • 1
    2
  • (
    -1
    6
    		 )
Question 8
8.
The ratio of males to females in a committee of 110 members is 1 : 9. How many more ladies should be added to the committee so that the ratio of males to females is 11 : 135?
  • 36
  • 37
  • 39
  • 35
  • 33
Question 9
9.
    • Solve the equation
    • 4
      x
      =
      9
  • 13
    6
  • 9
    4
  • 11
    4
  • 5
    2
  • 7
    4
Question 10
10.
    • Solve :
    •  
       
      (
      x
      +
      4
      		)
      		  +  
       
       
      (
      x
      −
      4
      		)
       
       
      9
      =
       
       
      (
      −
      x
      +
      1
      		)
       
       
      18
  • 0
  • -3
  • -2
  • -6
  • -4