Can you solve below mathematical equation?

2^1234 - 2^1233

John was drowned by he was not wet. How?

What word is represented by this rebus?

What month of the year has 28 days?

Make the seating arrangement of 10 children in such a way that there are 5 rows with 4 children in each row.

A train leaves from point A for point B at 80 mph. After half an hour, another train leaves from point B for point A at 60 mph.

Which of the trains will be farther from point A when they meet ?

Can you write down eight eights so that they add up to one thousand?

What does this rebus riddle means ?

Find out the number of circles in the given picture having Illusion

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 ?