In this Blog we are providing all the UGC-NET Computer Science previous year Questions with explanation:
Q:1 The number of different trees with 8 nodes is
(A) 256
(B) 255
(C) 248
(D) None of these
(June 2011 Paper 2)
Answer: (C) 248
Explanation: The number of different trees with 'n' nodes is given by the formula 2 n - n. So, the number of trees with 8 nodes will be 28 - 8 i.e. 256 - 8 = 248. Hence (C) option is correct.
Q:1 The number of different trees with 8 nodes is
(A) 256
(B) 255
(C) 248
(D) None of these
(June 2011 Paper 2)
Answer: (C) 248
Explanation: The number of different trees with 'n' nodes is given by the formula 2 n - n. So, the number of trees with 8 nodes will be 28 - 8 i.e. 256 - 8 = 248. Hence (C) option is correct.
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