What has six faces, but does not wear makeup, has twenty-one eyes, but cannot see? What is it?

An artist while painting a scenic beauty, decides to paint three layers of blue colour on the sky.

Which layer will go on the first?

I have nine bottles of wine and one of the nine bottles is poisoned.
I need to find the poisoned bottle with two facts
(1) Poison is deadly, only a sip will cost death
(2) I have two mice to do so.

How should I do it?

Below the four parts have been reorganised. The four partitions are exactly the same in both arrangements. Why is there a hole?

The day before yesterday I was 25 and the next year I will be 28. This is true only one day in a year. What day is my birthday?

What is full of holes but still holds water?

You can see three almost identical images below. Can you spot the odd one out from them?

What can go through glass without breaking it?

What does the following represent?

N N N N N N N

A A A A A A A

C C C C C C C

A bus driver was heading down a street in Mexico. He went right past a stop sign without stopping, he turned left where there was a "no left turn" sign, and he went the wrong way on a one-way street. Then he went on the left side of the road past a cop car. Still - he didn't break any traffic laws. Why not?