Which is Odd One Out and why?

4377

3954

9862

8454

9831

Today is John's birthday.
A year ago, John had five candles and he lit all the candles except the one at the last.
Now he is going to light all the candles.

How old is John Today?

(He is not five today.....)

Before Mount Everest was discovered, what was the highest mountain in the world?

Can you divide the below-given shape into four equal and identical pieces?

You have a square. What you have to do is cut and reassemble the square such that you create a Red Cross sign that has the same volume as that of the square.

If Japan and Panama decided to merge into a single country, probably people will name it Japanama.

Can you think of two more such country's unions that could produce similar names like Japanama by overlapping their three letters?

What can run but never walk, have a mouth that never speaks, have a head that never weeps, and have a bed but never sleeps?

Two batsman each on 94 runs. Seven runs needed to win in last 3 balls. Both make 100*. How?

Replace the question mark with the correct number in the below-given picture?

The captain of a ship was telling this interesting story: "We travelled the sea far and wide. At one time, two of my sailors were standing on opposite sides of the ship. One was looking west and the other one east. And at the same time, they could see each other clearly." How can that be possible?