What is the word or phrase below?
R | E | A | D

It comprises roots which nobody sees,
Much taller than those trees,
Up and up it goes,
Still it never grows?

Many have heard it, but nobody has ever seen it, and it will not speak back until spoken to. What is it?

You bought me for dinner but never eat me. What am I?

Three people are in a room. Ronni looks at the Nile. The Nile looks at Senthil. Ronni is married but Senthil is not married. At any point, is a married person looking at an unmarried person? Yes, No or Cannot be determined.

There was a competition where the contestants had to hold something. At the end of the event, the winner was a person who had no hands or feet. What was it that the contestants had to hold?

You are given four tennis balls and asked to arrange those balls in a manner that the distance between each one of them is exactly equal. How will you do it?

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

The Puzzle: A girl, a boy, and a dog start walking down a road.

They start at the same time, from the same point, in the same direction.

The boy walks at 5 km/h, the girl at 6 km/h.

The dog runs from boy to girl and back again with a constant speed of 10 km/h. The dog does not slow down on the turn.
How far does the dog travel in 1 hour?

This is a classy optical illusion puzzle. What more you can find except bricks in the image below?