A Doctor always sneezes before the rain. Doctor sneezes, Will it rain?

Today is John's birthday.
A year ago, John had five candles and he lit all the candles except the one at the last.
Now he is going to light all the candles.

How old is John Today?

(He is not five today.....)

Can you make the number 24 by utilizing the numbers 1, 3, 4 and 6? You must use one number only one time and you can use mathematical operation symbols anytime anywhere.

I am not a bull but I have horns.
I am not an ass but I have a pack saddle.
Wherever I go, I leave silver behind me.

Who am I?

Find The Missing Number In the Sequence.
6 25 64 ? 32 1

I look at you, you look at me I raise my right, you raise your left. What am I?

The person who makes it has no need for it; the person who buys it has no use for it. The person who uses it can neither see nor feel it. What is it?

What's a single-digit number with no value?

Why Wine Glass Stem is so long?

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