1. " Now is the time for all good men to come to the aid of the party".

a- Draw the Binary search tree that result from inserting the words of the sentence .

b- Build the AVL Tree for the sentence above.

2. Build an AVL tree that inserts the integers 30, 40, 15, 25, 90, 80, 70, 85, 15, 72. in the given order?

3. insert 10, 18, 7, 15, 16, 30, 25, 40, 60, 2, 1, 70. into RED BLACK tree.

4. Insert 65, 36, 75, 23, 48, 53, 98, 43, 13, 62, 83, 78 in a 2-3-4 tree.