Two in a corner, one in a room, zero in a house, but one in a shelter. What is it?

I am Huge on Sunday and Saturday.
I am small from Tuesday to Thursday.
I do not exist on Monday and Friday.
Who am I?

Take one out and scratch my head, I am now black but once was red. What am I?

James ordered a fishing rod, priced at $3.56. Unfortunately, James is an Eskimo who lives in a very remote part of Greenland and the import rules forbid any package longer than 4 feet to be imported. The fishing rod was 4 feet and 1 inch, just a little too long, so how can the fishing rod be mailed to James without breaking the rules? Ideally James would like the fishing rod to arrive in one piece!

Can You Find the Missing Zero? A Number Puzzle that Will Trick Your Eyes

By what process could you make a 'Tea-Table' into food?

I am lying and I always lie. Tell me whether I am lying or telling the truth.

Our product and our sum always give the same answer. Who are we?

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.

Can you solve this picture maths equation?