Following numbers (items) are inserted in order into binary search tree. 40,…

2018

Following numbers (items) are inserted in order into binary search tree. 40, 60, 50, 33, 55, 11 Then the number of items in left and right sub trees of the root are ____ .

  1. A.

    (3, 3)

  2. B.

    (2, 3)

  3. C.

    (3, 2)

  4. D.

    (2, 4)

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Show answer & explanation

Correct answer: B

Solution: Build the binary search tree by inserting values in the given order and track where each value goes. Insert 40: 40 becomes the root.

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