What month of the year has 28 days?

I am a white box having no key or lid.
Yet there is a golden treasure inside it.

What Am I?

You Throw The Outside, Cook The Inside
Eat The Outside, Throw The Inside.

What Is It?

You can find some missing letters in the picture. By placing two particular letters in the spaces, you can form a nine lettered word beginning from one of the corners and going clockwise direction to the middle. Can you find out the letters and the word?

Pronounced as one letter,
And written with three,
Two letters there are,
And two only in me.
I am double, I am single,
I am black blue and grey,
I am read from both ends,
And the same either way.

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?

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?

Which is the correct shadow of the bird?

Can you name any English verb that becomes its past tense by simply rearranging the alphabets ?

Begin with a word, five letters to my name,
Remove the first and last but I am the same
Take out my middle and still, I remain.
What word am I?