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Symmetry with the Help of Dots

How many lett...

Question

How many letters of the word "EXAMINATION" are not changed when the word undergoes lateral inversion?

A

11

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B

6

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C

8

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D

9

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Solution

The correct option is C
8

Check the vertical symmetry of each letter. The ones which are vertically symmetrical will remain unchanged under lateral inversion. Therefore, the letters X, A, M, I, T and O are the 8 letters(A and I repeating twice) in total that are not changed.

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