How is the moon similar to a dollar?

A pack of cards has 40 cards. You are blindfolded. Out of 40, 25 cards are facing down while 15 are facing up. You have been asked to divide this pack of cards into two decks - so that each deck contains an equal number of face-up cards. Remember, you are blindfolded.

How will you do it?

A donkey is behind another donkey
I'm behind that second donkey
But there is a whole nation behind me

It is a murder you can describe in a word.

What demands an answer, but asks no questions

A clock loses 10 minutes each hour. If the clock is set correctly at noon, what time is it when it reads 3 PM?

Find the next number in the series?
2, 12, 36, 80, 150, 252, 392, _ ?

John replied, when asked how old he was. In 2 years he will be twice as old as he was five years ago.' How old is he ?

What is the fewest number of coins that would be required in order to make sure each and every coin touches exactly three other coins?

Can you arrange four 9's and use at most 2 math symbols, to make the total 100?

What does this Rebus Picture mean?