What is always in front of you but can’t be seen?

Why is 6 afraid of 7?

There is a dressing drawer which contains the following coloured socks in pairs: Purple, Magenta, Crimson, White, Yellow and Turquoise. Now, the socks are paired and each pair is together in the matching set. There is no light in the room and you open the drawer and pick up a pair. Then, without noticing any colour, you keep them back and pick them up again.

Can you calculate the probability that the pair of socks was Yellow both times?

When 99 is considered higher than 100?

A very interesting trivia question for all.

Why do men's shirts have their buttons on the right side and women's have buttons on the left-hand side?

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

If there are fifteen crows on a fence and the farmer shoots a third of them, how many crows are left?

You throw me out when you want to use me and you take me in when you don't want to use me.

Who Am I?

There is a box in which distinct numbered balls have been kept. You have to pick two balls randomly from the lot.

If someone is offering you a 2 to 1 odds that the numbers will be relatively prime, for example
If the balls you picked had the numbers 6 and 13, you lose $1.
If the balls you picked had the numbers 5 and 25, you win $2.

Will you accept that bet?

Here is a mathematical expression that also secretly tells a movie name. What movie is that?