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Which node is the Leaf node in the following K-ary tree?

(a) A

(b) B

(c) D

(d) F

My question comes from K-ary tree in chapter Trees of Data Structures & Algorithms I

I have been asked this question by my college director while I was bunking the class.

1 Answer

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The correct choice is (d) F

Explanation: Leaf node is any node that does not contain any children. Since Node F is the node without any children, So F is called Leaf Node. While Node A is root node and Node B, Node C, Node D is parent node of their children.

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