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.
A
4
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
B
5
No worries! We‘ve got your back. Try BYJU‘S free classes today!
C
6
No worries! We‘ve got your back. Try BYJU‘S free classes today!
D
7
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
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