It has five wheels, though often think four, You cannot use it without that one more, You can put things in it, you can strap things on top, You can't find it in the market, but you can still go shop. What is it?

John said, "If yesterday was tomorrow, today would be Friday."

When did John make this statement?

What do you get if you add 2 to 100 four times?

Find the 8 in the below-given Image.

I have a clock(12-hour format) and both the needles of the clock overlap at 12:00.
After how much time, they will overlap again?

I never was there, I am always to be.
You have never ever seen me, not ever you will.
Yet I am the confidence of everyone.

Who Am I?

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

If I remove one from eleven it becomes Ten and if I remove one from nine also becomes Ten. How?

A Doctor always sneezes before the rain. Doctor sneezes, Will it rain?

This is a classy optical illusion puzzle. What more you can find except bricks in the image below?