please assist with below questions

We are given the following Splay Tree:

5

/ \

3 11

/

1

What will be the root->data after we search for 1 in the splay tree?

1

3

5

11

*****************************************************************************************************************

We insert the following nodes in an empty red black tree-

11 5 6 16 25 14 2.

The color of the root of this tree is:

Black

Red

Roots are brown for trees

Not colored yet. I forgot my crayons!

************************************************************************************************************

Which of the following are true about a Red Black Tree?

A node is either red or black

The root is always red

The root is either red or black

The number of black nodes in any path from the root to a leaf is the same