I’m light as a feather, yet the strongest person can’t hold me for five minutes. What am I?

They came out at night, without being called.
They lost at day, without being stolen.
Who are they?

Pronounced as one letter,
And written with three,
Two letters there are,
And two only in me.
I am double, I am single,
I am black blue and grey,
I am read from both ends,
And the same either way.

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?

There are five vowels (a, e, i, o, u) in the English language.
Can you tell us a word that contains all these vowels?

In an interview, a boy was asked an unusual question 'How two persons sitting with a table in between them can't see each other?' He was unable to reply. Can you?

A man calls his dog from the opposite side of a river. The dog crosses the river without a bridge or a boat and manages to not get wet. How is this possible?

I am looking for a word that change both gender and number when i add the letter 'S'.

What Word am I Looking For ?

John was piloting a plane behind a car but was never able to overtake it. Why?

Before Mount Everest was discovered, what was the highest mountain in the world?