Can you make a six-letter word using the letters N, A and B ?

What does below Rebus say?

XLR8

Pronounced as one letter,
And written with three,
Two letters there are,
And two only in me.
I am double, I am single,
I am black blue and grey,
I am read from both ends,
And the same either way.

Why is it very easy to weigh a fish?

What is the word or phrase?

I’m tall when I’m young, and I’m short when I’m old. What am I?

This puzzle is for Harry Potter fans. Do you know why Tom Riddle is called Lord Voldemort?

Mr Red Lives in the red house.
Mr Green Lives in the greenhouse.
Mr Yellow Lives in the yellow house.

Who lives in the Whitehouse?

Can you decipher the following common phrase?

T M C
A U O
H S M
W T E

In the attached figure, you can see a chessboard and two rooks placed on the chess board. What you have to find is the number of squares that do not contain the rooks. How many are there?