What month of the year has 28 days?

I go up and I go down.
I go up towards the beautiful sky and down toward the green ground.
I am present tense.
I am past tense too
Children love me.

Who Am I?

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

It is an eleven letter word.
The first, second, third and fourth letters form a banquet's name.
The fifth, sixth and seventh letters form a car's name.
The eighth, ninth, tenth and eleventh letters form a mode of transport.

Can you identify what word it is?

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

What is the Surname of Barbie Doll?

Two in a corner, one in a room, zero in a house, but one in a shelter. What is it?

I am looking for a word that change both gender and number when i add the letter 'S'.

What Word am I Looking For ?

There are a number of books on a shelf. If one book is the 4th from the left and 6th from the right, how many books are on the shelf?

I am taken from a mine and shut up in a wooden case, from which I am never released, and yet I am used by almost every person. What am I?