There is one thing that goes round the house and also inside the house but never even share a brief touch. What is it?

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?

Can you arrange four 9's and use at most 2 math symbols, to make the total 100?

Can you solve the photo plexer logic ?

A boy and his father are caught in a traffic accident, and the father dies. Immediately the boy is rushed to a hospital, suffering from injuries. But the attending surgeon at the hospital, upon seeing the boy, says 'I cannot operate. This boy is my son.' How is this situation explained?

Which city is three-fifths chick two third cat and 50% goat?

If a wheel has 54 spokes, how many spaces are there between the spokes?

I have a clock(12-hour format) and both the needles of the clock overlap at 12:00.
After how much time, they will overlap again?

How could a baby fall out of a twenty-story building onto the ground and live?

There was an aeroplane crash, every single person died, but two people survived. How is this possible?