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

In two decks of cards, what is the least amount of cards you must take to be *guaranteed* at least one four-of-a-kind?

Consider this about a word: The first two letters signify a male, the first three letters signify a female, the first four letters signify a great, while the entire world signifies a great woman. What is the word?

What does the below rebus puzzle mean?

Can you make the below equation true by using any three numbers from "1, 3, 5, 7, 9, 11, 13 and 15"?

( ) + ( ) + ( ) = 30

A man hijacks an aeroplane transporting both passengers(8 of them) and valuable cargo. After taking the cargo, the man demands nine parachutes, puts one of them on, and jumps, leaving the other eight behind. Why did he want eight?

How is a fly different from a mosquito?

Prove that the below maths equation is true.

8 + 8 = 91

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

Something Extraordinary happened on May 6th 19778 at 12:34am what was that?