The person who makes it has no need for it; the person who buys it has no use for it. The person who uses it can neither see nor feel it. What is it?

What is 3/7 chicken, 2/3 cat and 2/4 goat?

John is asked to stand behind Jacob and Jacob is asked to stand behind John. Both of them feel confused about it and don't know what to do?

But it is quite possible, do you know how?

I cry without having a voice.
I fly without having wings.
I bite without having teeth.
I whisper without a mouth.

Who am I?

How high do you have to count before you use the letter “a” in the English spelling of the whole number?

What is red and smells like blue paint?

In a boat, the father of a sailor's son is sitting with the son of the sailor. However, the sailor is not present on the boat.

Can this even be possible?

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

Can you replace the X (both small and big x) with the numbers between 1 to 19 such that all the rows of 3 numbers between X (big x) sum to 23?

By including only four matchsticks in below picture, you have to make "Four Triangles And Two Squares"