Known by all without exception, Forever here, for your protection, Sometimes strong, sometimes weak, Right after the night I come - hot and chic. And while millions of miles away, I always get to you, I find my way. No life around could do without me, Can you guess what I might be?

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?

Find the 8 in the below-given Image.

What is next number in the pattern below:

131 517 192 123 ?

Can you count the number of children in the picture below

What goes through cities and fields, but never moves?

What four weights can be used to balance from 1 to 30 pounds?

What 8 letter word can have a letter taken away and it still makes a word. Take another letter away and it still makes a word. Keep on doing that until you have one letter left. What is the word?

What demands an answer, but asks no questions

Using eight eights and addition only, can you make 1000?