When I got four, I have it none.
When I got two, I have it some.
When I got none, I have it all.

What is it?

I am the black child of a white father, a wingless bird, flying even to the clouds of heaven. I give birth to tears of mourning in pupils that meet me, even though there is no cause for grief, and at once on my birth, I am dissolved into air. What am I?

Why is it against the law for a man living in Delhi to be buried in Mumbai?

Which English verb becomes past tense just by rearranging the letters?

People put me on the table and cut me but do not eat me. What am I?

It is deaf, Dumb and Blind!!!

Still, always tells the truth. What is it?

What has 88 keys?

Let's play a word game. Following are some meaningless words that can be completed by adding random letters on either side of the word.

For example, the word "rdo" can be formed into "pardon".

Using the same technique, can you complete the given words?
ecalc
airb
rinci
tibac
uidel
gorit
igna
eyho

There is one thing that goes round the house and also inside the house but never even share a brief touch. What is it?

If nine thousand, nine hundred nine dollars is written as $9,909,
how should twelve thousand, twelve hundred twelve dollars be written?