# Algorithms Quiz | SP Contest 4 | Question 6

Which node is at 6th position in level order traversal of a BST which is constructed using below keys in given order.

Keys : 15, 10, 5, 25, 20, 22, 19, 18, 30

**(A)** 20**(B)** 30**(C)** 19**(D)** 22**Answer:** **(B)****Explanation:** Level Order Traversal after constructing BST is as follows :

15, 10, 25, 5, 20, 30, 19, 22, 18.

Where, 6th element is 30.

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