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

If you remove one from eleven, it becomes ten. If you remove one from nine, it becomes ten.

How is this possible?

A mile-long train is moving at sixty miles an hour when it reaches a mile-long tunnel. How long does it take the entire train to pass through the tunnel?

In The 1st month of this year(the year 2013), I noticed that the date 13-1-13 (13 January 2013) is special.

This date is special as:

Date * Month = Year.

Can you figure out which year of this century has a maximum number of such dates?

What has six faces, but does not wear makeup, has twenty-one eyes, but cannot see?

A father's child, a mother's child, yet no one's son.

Who am I?

Count the number of triangles in the below picture?

Jack and Joseph are well-known golf rivals. One Day during a match, they were level at a score of 30. Jack hit a bad shot and Joseph added 10 to his score. Joseph then hit an awesome shot and he won the game.

How ?

John killed hundreds of people mercilessly and yet the police were not able to put her behind the bars. Why?

81 x 9 = 801. What must you do to make the this equation true?