We are a group of eight brothers. We consider the weak, yet we protect the king in every battle. If we move ahead, we never turn back. Who are we?

Make a sentence consisting of three words that have the whole alphabet.

How can you make the following equation true by drawing only one straight line: 5+5+5=550 ?

I live in a bowl. I can swim. I have a tail. I also have fins and big eyes. What am I?

Replace the question mark with the correct number below.

When I got four, I have it none.
When I got two, I have it some.
When I got none, I have it all.

What is it?

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?

You have an empty wine bottle with a cork that has been secured at the top in a normal way. There is a metal ring inside the bottle that is suspended by a string.

How can you make the metal ring drop to the bottom if you are not allowed to touch anything - not the bottle, not the cork, not the thread and not the ring?

You need to move three matchsticks to form three squares. Can you do it?

Alpha is Beta's sister.

Gamma is a Beta mother.

Delta is Gamma's father.

Tango is Delta's mother.

Then,

How is Alpha related to Delta?