In which tree, the right NULL pointer of each node (not having a right – McqOptions

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1.	In which tree, the right NULL pointer of each node (not having a right child node) points to its in-order successor?
A.	Right-threaded binary tree
B.	Left-threaded binary tree
C.	Full-threaded binary tree
D.	All of the above
Answer» B. Left-threaded binary tree

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