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How many children does a binary tree have?

(a) 2

(b) any number of children

(c) 0 or 1 or 2

(d) 0 or 1

The above asked question is from Binary Trees using Array topic in division Binary Trees of Data Structures & Algorithms I

I had been asked this question during an interview for a job.

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Correct choice is (c) 0 or 1 or 2

Best explanation: Can have atmost 2 nodes.

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