What can go up a chimney down, but can’t go down a chimney up?

What is red and smells like blue paint?

A mile-long train is moving at sixty miles an hour when it reaches a mile-long tunnel. How long does it take the entire train to pass through the tunnel?

Who is that with a neck and no head, two arms and no hands? What is it?

Can you fill the blank with the correct number?

6 30 870 756030 _____

If all Goats are Sheep and all Sheep are Deers, are all Deers Goats ?

Can you solve the maths in the below-given picture equation?

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?

Which digit occurred maximum times between the number 1 and 1000?

Considering the below equation:

V + II - VI = 10
IV - X + VIII = 20
IV - VII + VI = 30

Then, I + II + III = ?