Can you identify the hidden rebus in the image below?

A Scientist was fifty years old in the year 2000 but he was forty years old in the year 2010. How can this be possible?

PS: It has a logical answer.

John enters a small room. The Door Closes.
When the door opens, John is in a larger room.

Explain?

Andrew sees a very rare bird named "Ruppell's vulture". Soon Andrew was dead. Can you explain the mystery, Mr. Sherlock?

Why do you find that most of the buildings are deprived of the 13th floor?

They are the five precious gems of an everyday sort and all can be found on a Tennis Court. Who are they?

Known by all without exception, Forever here, for your protection, Sometimes strong, sometimes weak, Right after the night I come - hot and chic. And while millions of miles away, I always get to you, I find my way. No life around could do without me, Can you guess what I might be?

Can you think of a smallest +ve number such that if we shuffle the digits of the number, the new number becomes double the original number?

Find the missing number in the sequence below:

I know a country, If you remove the last alphabet of its name, it will become a part of your body. Do you name it?