Which alphabet is a part of our body?

You have an empty wine bottle with a cork that has been secured at the top in a normal way. There is a metal ring inside the bottle that is suspended by a string.

How can you make the metal ring drop to the bottom if you are not allowed to touch anything - not the bottle, not the cork, not the thread and not the ring?

Solve the counting riddle by identifying the number of triangles in the given picture.

Find the number of squares in the below picture

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

There is so small cabin inside a deep forest.
All the forest burned out to worst possible but the inside of the cabin is still the same.
However all the person inside the cabin die.

How come ?

Find the next number in the series?
2, 12, 36, 80, 150, 252, 392, _ ?

A man wants to cross the pit of fire which is 25 feet in length and he has 2 planks(fire resistant) 19 feet in length. How can he cross the pit of fire alive?

A Child was born in Lahore, Pakistan.

Still child is not a Pakistani citizen.why ?

In the Chess Board picture below white army is arranged. You need to add a black army on the board such that no piece is under any threat.
Note: Army comprised of 1 king, 1 queen, 2 rooks, 2 bishops, 2 knights, and 8 pawns.