It walks on 4 when its young, walks on 2 when it's older, and walks on 3 when its very old?

Three friends decide to distribute the soda cans they had among them. When all of them had drunk four cans each, the total number of cans that remained was equal to the cans each one of them had after they had divided the cans.

Can you calculate the total number of cans before distribution?

Decode below three cipher riddles:

26 L of the A
7 D of the W
1000 Y in a M

O_er_t_o_

Complete the missing letters of the given word.

The picture shows the dice results in each couple of throws. If they are actually following a pattern, can you find out the missing one?

A tree doubled in height each year until it reached its maximum height over the course of ten years. How many years did it take for the tree to reach half its maximum height?

Who has married many women but was never married?

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 are five vowels (a, e, i, o, u) in the English language.
Can you tell us a word that contains all these vowels?

A boy was at a carnival and went to a booth where a man said to the boy, "If I write your exact weight on this piece of paper then you have to give me $50, but if I cannot, I will pay you $50." The boy looked around and saw no scale so he agrees, thinking no matter what the carny writes he'll just say he weighs more or less. In the end the boy ended up paying the man $50. How did the man win the bet?