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

What always comes into a house through the keyhole?

It spends most of its day eating white, but when it’s quick enough, it gets to eat fruit and sometimes some blue things. It’s in a dark room, where the walls are blue, it runs from a ghost that roams the halls and haunts it all the time. What is it?

Count the number of squares in the picture below.

How many words can a pen with half refill write?

You measure my life in hours
I serve you by expiring
I vanish faster when I am thin
and slower when I am thick
The wind is my energy
What am I?

There are nine letters in the below-given diagram. You have to form a nine-letter word using these letters.

I’m orange, I wear a green hat and I sound like a parrot. What am I?

There are 2 cops parked along a one-way street looking for traffic violations. They spot a taxi driver going in the wrong direction, yet they do nothing.

Why?

Can you count the number of quadrilaterals in the picture below?