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All questions of Patterns for Year 4 Exam

How many lines of symmetry does the butterfly have?
  • a)
    1
  • b)
    2
  • c)
    3
  • d)
    4
Correct answer is option 'A'. Can you explain this answer?

Riya Singh answered
It has one line of symmetry. If you were to put a mirror on the vertical line shown below you would see the other side of the heart in the mirror. Two identical sides.

Write number pattern next three terms 4, 8, 16, 32 ____, ____, ____.
  • a)
    62, 128, 254
  • b)
    60, 85, 90
  • c)
    64, 128, 256
  • d)
    60, 70, 120
Correct answer is option 'C'. Can you explain this answer?

Sudhir Mehta answered
Each digit is double of its previous member of the series. 
4 + 4 = 8
8 + 8 = 16
16 + 16 = 32
32 + 32 = 64
64 + 64 = 128
128 + 128 = 256

Which of the shapes are divided into two mirror halves by dotted line?
  • a)
    Only B
  • b)
    A and C
  • c)
    A and B
  • d)
    B and C
Correct answer is option 'A'. Can you explain this answer?

 
An image which is like a reflection in a mirror. Everything is the same, except reversed. Here the left and right sides of this lovely dog are mirror images of each other.

Complete the pattern:
  • a)
  • b)
  • c)
  • d)
Correct answer is option 'A'. Can you explain this answer?

Sudhir Mehta answered
Since the ball is falling down gradually in the box; the next pattern will be A. 

How many lines of symmetry does this shape have?
  • a)
    0
  • b)
    1
  • c)
    2
  • d)
    3
Correct answer is option 'B'. Can you explain this answer?

Sudhir Mehta answered
In shape one you can see, it has only 1 line of symmetry horizontal line of symmetry

Symmetry is ...
  • a)
    -when one shape is exactly opposite of another shape
  • b)
    -when one shape becomes exactly like another if you flip it
  • c)
    -when one shape becomes exactly like another if you slide it
  • d)
    reflectional symmetry
Correct answer is option 'B'. Can you explain this answer?

Sudhir Mehta answered
The word symmetry is the most commonly used concept in the study of reflections of mages. It is often referred to as mirror or reflective symmetry; that means a line or plane that can be drawn through an object such that the two halves are mirror images of each other.

Which of the shapes are divided into two mirror halves by dotted line?
  • a)
    A and C
  • b)
    Only A
  • c)
    B and C
  • d)
    A and B
Correct answer is option 'B'. Can you explain this answer?

 
An image which is like a reflection in a mirror. Everything is the same, except reversed. Here the left and right sides of this lovely dog are mirror images of each other.

Complete the pattern: 12, 24, 48, 96, ___, ___
  • a)
    192, 384
  • b)
    192, 382
  • c)
    182, 364
  • d)
    190, 380
Correct answer is option 'A'. Can you explain this answer?

Sudhir Mehta answered
The next term will come by multiplying with number 2
12 *2 = 24,
24*2 = 48,
48*2 = 96,
96*2 = 192,
192*2 = 384

Complete the pattern:
  • a)
  • b)
  • c)
  • d)
Correct answer is option 'D'. Can you explain this answer?

Sudhir Mehta answered
In the pattern, it can be seen that lines are increasing diagonally. 
The next pattern in the series will be D.

Find the missing number of the following figure:
  • a)
    14
  • b)
    13
  • c)
    12
  • d)
    9
Correct answer is option 'A'. Can you explain this answer?

Ans. a as the number in front of the number is its X2 or divide by 2

example-
we have the number 2 and in the picture you can see that the number in front of 2 is 4.so-
2X2=4
4 divide 2.=2

Which of the shapes are divided into two mirror halves by dotted line?
  • a)
    A and B
  • b)
    B and C
  • c)
    All of these
  • d)
    A and C
Correct answer is option 'C'. Can you explain this answer?

Riya Singh answered
 
An image which is like a reflection in a mirror. Everything is the same, except reversed. Here the left and right sides of this lovely dog are mirror images of each other.

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