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Question: How many vowels in the English alphabet have at least one line of symmetry?


A ) 2
B ) 0
C ) 1
D ) 5

Steps to derive

1 A line which divides the figure into two congruent halves is known as a line of symmetry.

2 All the 5 vowels have lines of symmetry.
 [A, O and U have vertical line of symmetry and E and I have horizontal line of symmetry.]


3 So, the number of vowels having lines of symmetry is 5.



Hence the right answer is Option D

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