what's the probability of getting a king or a queen from a pack of 52 cards?

What has one eye, but can’t see?

Akbar summoned Birbal out of anger.
He told him that he will have to face death.
He asked him to make a statement and if the statement is true he will be buried alive and if the statement is false, he will be thrown at lions.
After hearing Birbal’s statement, Akbar could do nothing but smile.
He gave him 5 gold bars and let him go.

What did Birbal say?

A word I know,
Six letters contain,
Subtract just one,
And twelve is what remains.

No one wants to have it, but if one got it, he does not want to lose it. What is It?

What word begins and ends with an E, but has only one letter?

You have a roll of cloth 1km long. You have a machine which cuts this roll into pieces of 10-meter-long cloth.

How long would it take for the machine to cut the roll if each cut took 4 secs?

I am Huge on Sunday and Saturday.
I am small from Tuesday to Thursday.
I do not exist on Monday and Friday.
Who am I?

Can you make a six-letter word using the letters N, A and B ?

If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?