The more you take me, the more you leave me behind.
Who Am I?

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?

1 rabbit saw 9 elephants while going to the river. Every elephant saw 3 monkeys going toward the river. Each monkey had 1 parrot in each hand. How many animals are going towards the river?

How many sides does a circle have?

If I remove one from eleven it becomes Ten and if I remove one from nine also becomes Ten. How?

What you cannot hold but it is yours?

You enter your friend's room. He is not in his room. Although you see that on the bed there are two dogs, five cats, two giraffes and three pigs. Also, a couple of chickens and ducks are flying in the room.

Calculate the number of legs standing on the floor.

The first two letters signify a male, the first three letters signify a female, the first four letters signify a great, while the entire world signifies a great woman. What is the word?

John was piloting a plane behind a car but was never able to overtake it. Why?

I know a nine-letter word having only one vowel.
Do you ?