How many edges does a complete undirected graph with 6 vertices have?
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Correct answer: (C) 15
Explanation
n(n − 1)/2 = 6 × 5 / 2 = 15.
From DSSSB TGT Computer Science Full Mock Test 2
This is question 149 of DSSSB TGT Computer Science Full Mock Test 2. See all questions of this paper with answers, or attempt the paper as a timed online test to get your score and all-India rank.