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Let T = (V, E) be a tree and let d(v) be the degree of a vertex.
Consider following statements:
(i) P v∈V (2 − d(v)) = 2
(ii) If T has a vertex of degree m ≥ 2, then it has at least m vertices of degree 1.
(iii) P v∈V (k − d(v)) = k, for k ≥ 2 | k ∈ Z + Which of the above statements is/are ture:
(A) (i) only
(B) (i), (ii) only
(C) (ii) and (iii) only
(D) (i), (ii) and (iii) only
closed
closed | 56 views
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even doesn't understand the question also.

from where you got this question?
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Yes i also din't understand the question. The question is from Gatebook test series.
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is this exact question? ( can you share the question and solution snapshots which are provided by them? )
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This is screenshot of question and the answer details are  not provided .
It's okay ! Don't trouble yourself much, May be question is wrongly framed.

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@Sandy Sharma

Kiran sir, lectures are very good.

So i hope he didn't mistake in his test series.

It's okay ! Don't trouble yourself much, May be question is wrongly framed.

yes, sometimes it happens.

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question is beautiful but printing the symbol of ∑ spoils it !

+1 vote
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