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Question
If a, b and c represent the numbers of uppercase English alphabets having zero, one, two lines of symmetry respectively, then find the value of a - b + c.
If a, b and c represent the numbers of uppercase English alphabets having zero, one, two lines of symmetry respectively, then find the value of a - b + c.
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Solution
The correct option is A 4
So, we conclude that
Number of alphabets with no lines of symmetry = 11
Number of alphabets with 1 line of symmetry = 11
Number of alphabets 2 lines of symmetry = 4
Thus, a = 11, b = 11, c = 4
∴ a - b + c = 11 -11 +4
= 4
So, we conclude thatNumber of alphabets with no lines of symmetry = 11
Number of alphabets with 1 line of symmetry = 11
Number of alphabets 2 lines of symmetry = 4
Thus, a = 11, b = 11, c = 4
∴ a - b + c = 11 -11 +4
= 4
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