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

I have eight fingers and two thumbs but I do not live. What Am I?

Mother's Name is Mrs. SIXTY TWO
Son's Name is FIFTY TWO
Daughter's Name is FORTY TWO
What is Name of Father?

You walk into a room that contains a match, a kerosene lamp, a candle and a fireplace. What would you light first?

If we add four times the age of John four years from now to five times his age five years from now we get ten times his current age.

How old will John be two years from now?

Which alphabet is a part of our body?

A woman lives in a skyscraper thirty-six floors high and is served by several elevators which stop at each floor going up and down. Each morning she leaves her apartment and goes to one of the elevators. Whichever one she takes is three times more likely to be going up than down. Why?

Before Mount Everest was discovered, what was the highest mountain in the world?

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

A pond had 60 fish, out of which, all but 20 died.
How many fishes are now present in that pond?