ISRO | ISRO CS 2015 | Question 11

If the sequence of operations – push (1), push (2), pop, push (1), push (2), pop, pop, pop, push (2), pop are performed on a stack, the sequence of popped out values
(A) 2,2,1,1,2
(B) 2,2,1,2,2
(C) 2,1,2,2,1
(D) 2,1,2,2,2


Answer: (A)

Explanation: The pop sequence can be seen from the following table:

Option (A) is correct.

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