Q. To obtain a prefix expression, which of the tree traversals is used?

(A) Level-order traversal
(B) Pre-order traversal
(C) Post-order traversal
(D) In-order traversal

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✅ Correct Answer: (B) Pre-order traversal

Published by Mr. Dubey ⭐ 111.42K Points at 16-Sep-2023 03:20 pm in Data Structure (DS)

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