Generic selectors
Exact matches only
Search in title
Search in content
Post Type Selectors

Net 37

CBSE NET June 2011


Q. The number of different trees with 8 nodes is
(A) 256
(B) 255
(C) 248
(D) None of the above

Ans :- (C)


Explanation:-

Use formula 2n-n. Here the value of n=8. So, the formula would become 28-8=256-8=248.

Leave a Comment