No one wants to have it, but if one got it, he does not want to lose it. What is It?

There were five men at church, and it started raining while they were outside. The four that ran still got wet, but the one that was still stayed completely dry. Why did he stay dry?

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?

Can you spot the hidden girl in the picture below?

Place the numbers from 1 to 9 in the circles in a manner that each side of the triangle sums up to 17.

Can you find the missing number in the third row?
35 20 14
27 12 18
5 2 ?

What breaks yet never falls, and what falls yet never breaks?

I am a seven-letter word but if you remove four of my letters I will have one left. What word am I?

A man stands on one side of a river, his dog on the other. The man calls his dog, who immediately crosses the river without getting wet and without using a bridge or a boat. How did the dog do it?

What happened when the wheel was invented?