Replace the question mark with the number below given a simple math problem.

John and his wife were living in a rural place. On a particular day, John's wife fell ill and he called the local doctor. When the doctor picked up, he said, "Doctor, my wife is ill. She might have appendicitis."

"This can't be possible! I took out her appendix two years ago myself," the doctor explained.

When diagnosed, John's wife was found to have appendicitis. How can this be possible?

A newspaper is supposed to have 60 pages, but pages 24 and 41 are missing.
Which other pages won't be there?

2, 3, 5, 9, 17, _ What is the next number in the sequence?

Can you count the number of squares in the figure below?

What kind of storm is always in a rush?

The dirtier I get, the whiter I look. Who am I?

Can you place six X (crosses) in below board without making three in a row in any way ?

What can you hold in your right hand, but never in your left hand?

Two Twins Jack and Jill were standing back to back and suddenly they started running in opposite direction for 4 kilometres and then turn to left and run for another 3 kilometres.

what is the distance between the Baggio twins when they stop ?