Is Bt a BST? Can't understand

#1

can nodes on the left and right of the BST be equal to Parent node?

is
50=>50<=50
a BST?

#2

Hey @arjunsabu99
is
50=>50<=50
a BST?
Answer Nope
there are two possibilities
First

  1. The left child node is always less than the parent node.
  2. The right child node is always greater than or equal to the parent node.
    Second
    The left child node is always less than or equal to the parent node.
    The right child node is always greater than the parent node.
#3

ok sir got it thank you