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

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 Odd One Out

1. FLOW
2. SNIP
3. TRAP
4. DRAW
5. BACK

Solve the equation by replacing the alphabet with numbers.

MOM + MOM + NO = BOOK=

I always drive my customer away.

Who am I?

Can you figure out the logic I used to decide the order of the following words:
gun, shoe, spree, door, hive, kicks, heaven, gate, line, den

As you can see that fifteen matches have been used to form an arrangement. What you have to do is remove any six of them to make them ten.

You want to boil a two-minute egg. If you only have a three-minute timer (hourglass), a four-minute timer and a five-minute timer, how can you boil the egg for only two minutes?

Remove two matchsticks to make the below equation correct.

Imagine you are in a room with no windows or doors. How will you get out?