What seven-letter word has hundreds of letters in it?

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

Why despite killing dozens of people Charley and Wilma were not punished?

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?

There was a strange boy who was born before his father. How can this be possible?

What is the next number in the series?

15 29 56 108 208 ?

I am a prime number.
The double of myself is equal to the square of me.

which number am I?

Which of the below owl is odd one out?

Can you find out the missing number in the grid?

You can hear me, but you can't touch or see me.

What am I?