Which alphabet letter is a question?

Can you find the hidden animal in the picture below?

I came first on earth but second on the heaven.
I also came twice in a week but found just once in a year.
I stay away from months but you can find me in February.

What am I?

You have a three-gallon and a five-gallon measuring device. You wish to measure out four gallons.

You knock a Table over in the library, and suddenly 20 eyes are looking at you.

Can you find out a way through which you can make five squares out of the given figure by moving just six match sticks?

The product of three consecutive numbers is 7980.
Then the sum of these consecutive numbers would be?

A girl rode into a tourist spot out of the city on Thursday. She loved the place and decided to stay for a few days. She stayed for four days and then she left for back home on Thursday.

How can this be possible?

Can you replace the question mark with the correct number?

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 ?