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

which number am I?

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?

If two's company, and three's a crowd, then whats four and five ?

What does this rebus mean?

O
N
C
E
TIME

Which city is three-fifths chick two third cat and 50% goat?

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

What type of tree can I carry in my hand?

What can you see in the middle of March and April that you can never see in any other month?

Look at the picture and find out which square is not linked with any of the other squares.

I am 5 letters long.
My first two tell you who I am
My first 3 could be a medicine
My last three reversed could be a young boy.
My 4th, 3rd and 2nd in that order could be a fruit drink.
If you have me you may hang me round your neck
WHAT AM I ?