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

What will you call your mother's brother's brother-in-law?

It walks on 4 when its young, walks on 2 when it's older, and walks on 3 when its very old?

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

I have eight fingers and two thumbs but I do not live. What Am I?

What 4-letter word can be written forward, backward or upside down, and can still be read from left to right?

The person who makes it has no need for it. He who purchases it does not use it. The person who does use it does not know they are. What is it?

What goes up but never comes down?

I taste better than I can smell. Who am I?

Can anyone tell me a word in the English dictionary which has a silent 'z'?