You have the following numbers {50,30,20,10,5,60}, on external paper build the binary search tree, then we want to insert the item 40, choose the best solution from the following a. The item 40 is...

You have the following numbers {50,30,20,10,5,60}, on external paper build the binary search tree, then we want to insert the item 40, choose the best solution from the following

The item 40 is added to the left of item 60

The height of the tree is changed