How can you drop a raw egg from a height onto a concrete floor without cracking it?

I am the one who remains awake when you sleep. But I need to rest when you awake. Who Am I?

Can you find out the missing number?

? 4 5 3 5

9 5 7 10 3

I know a 5-digit number having a property that With a 1 after it, it is three times as large as it would be with a one before it.

Guess the number?

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?

Transform the word THINK into BRAIN while changing only one letter at a time in a manner that each of the word in the process is a real word!!!

You are given with the following sum. Each of the letters can be decoded as a digit. If we tell you that D = 5, then can you solve it entirely?

DONALD
+GERALD
=ROBERT

What has one eye, but can’t see?

Which is the rope you never skip with?

Can you solve the below geography rebus by decoding the below rebus ?