Tuesday, 31 October 2017

Net 45

CBSE NET DECEMBER 2012 PAPER II


Q. Given an empty stack, after performing push (1), push (2), Pop, push (3), push (4), Pop, Pop, push (5), pop, what is the value of the top of the stack?


(A) 4
(B) 3
(C) 2
(D) 1


Ans: (D)


Explanation: See the image below:

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