Pronounced as 1 letter, And written with 3, 2 letters there are, and 2 only in me. I’m double, I’m single, I’m black blue and grey, I’m read from both ends, and the same either way. What am I?

I was born in a small house and I live in it all alone. No windows and no doors have been assigned to my house. The only way I can go out is by breaking through the walls of my house.

Who am I?

A father's child, a mother's child, yet no one's son.

Who am I?

Spelt forwards I’m what you do every day, spelled backwards I’m something you hate. What am I?

No matter how little or how much you use me, you change me every month. What am I?

If your uncle’s sister is not your aunt, what relation is she to you?

The first person saw the bridge step on it and crossed,
the second person saw the bridge did not step on it but crossed,
the third person did not see the bridge did not step on it but crossed.
Who are these people?

I am the largest in my family of fifty.
The youngest of our family lives separately from the rest of the family and so do I.
I am regarded as harsh and tough.
I am so large, you cut me in two equal halves,
each half would still be larger than the second largest member of the family.
Who am I?

Until it is measured, not known. Yet how you miss it when it has gone. What is it?

I shave every day, but my beard stays the same. What am I?