I speak without a mouth, and hear without ears. I have no-body, but I come alive with the wind. What am I?

Rectify the following equality 101 - 102 = 1 by moving just one digit.

I am a prime number.
The double of myself is equal to the square of me.

which number am I?

Wednesday, Steve and Pam go to a restaurant to eat lunch. After eating lunch, they pay the bill. But Steve and Pam do not pay the bill. So…who does?

Can you guess the name of the month by looking the below rebus ?

Usually, a boxing match consists of twelve rounds. In a particular friendly match between two heavyweights, the match was finished in the ninth round itself as one of the boxers knocked out the other one.

But, in that fight, no man threw even a single punch.

How can this be possible?

Intelligence Agency need to break the vault but the problem is that they are not able to break the vault.

On the vault, a text is written as:

31 11 33 33 43 45
21 25
31 24 11 31 51 41

To Break the code Intelligence Agency brings a mathematician named Joseph.
Minutes later he deciphers the code.

Whats the code?

There is a five-letter word which has 3 consonants(all are same) and 2 different vowels.
Also, something wrong is associated with the word.

Can you name it?

How will you measure 15 minutes using two hourglasses of 7 minutes and 11 minutes respectively?

I add 5 to 9 and get 2. The answer is correct, so what am I?