I am first found in caves, now prolific online; I am a depiction, a drawing, a symbol, or sign. I will convey whichever mood you could wish; or for that matter, a fist, flask, or fish. What am I?

There was a strange boy who was born before his father. How can this be possible?

Assume the given figure to be a delicious doughnut. Yes, now you can concentrate more on the puzzle. So you have this delicious doughnut in your refrigerator when your friends come knocking at the door. There are eight of them. Now you have to make three cuts in this doughnut so that each one of you nine people can enjoy a piece of it. Neither you nor your friends would mind the size of their piece as long as they are getting it. How will you do it?

What is full of holes but still holds water?

In the picture given below, can you find out which digit will take place of the question mark?

My location can be determined by the below rebus.
So where am i ?

Why 1729 is a magic number? Answer Logically.

Find The Next Number In The Sequence

30 10 15 13 0 16 -15 ?

A wooden log balances equally on the scales when weighed with three-quarters of a pound and three-quarters of a wooden log.

Can you calculate the weight of the entire wooden log?

Which is faster, Heat or Cold ? Explain.