Name one eight-letter word with 'kst' in the middle, 'in' the beginning, 'and' at the end.?

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

What goes up but never comes down?

There is a box full of marbles,
all but two are blue,
all but two are green,
and all but two are red.

How many marbles are in the box?

When I get multiplied by any number, the sum of the figures in the product is always me. What am I?

What does does this rebus picture means ?

What number comes next in the series?

5 15 5 18 5 24 14 20 _

Replace the question mark with the correct number in below Picture:

What is black when you buy it, red when you use it, and gray when you throw it away?

Queen Elizabeth organised a royal party.

To Avoid uninvited guest royal family set a password.
Jack (an uninvited person) plan to enter the party. He stand nearby the door.

First guest comes, the security person said 'twelve' and guest replied with six.
Second guest comes , the security person said 'six' and guest replied with 'three'.

Jack thought is enough and he walked to the entry point. The security person said 'eight' , Jack replied smilingly 'four'.
He was immediately thrown out of the party. why ?