Planning to take coaching on Unacademy
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or
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Telegram Notification Group link:-
https://t.me/joinchat/X5egW_cvdt9kMGY1
Telegram discussion Group link:-
https://t.me/joinchat/VCyGUmVq8RNkMzhl
Downloads resources from here
https://education4fun.com/gate-cse/
MCQ (Single Correct Answer)
GATE CSE 2015 Set 2
A graph is self-complementary if it is isomorphic to its complement. For all self-complementary graphs on n vertices, n is
(A) A multiple of 4(B) Even(C) Odd(D) Congruent to 0 mod 4, or 1 mod 4