When I get multiplied by any number, the sum of the figures in the product is always me. What am I?

In case you were starting to feel confident, this one was meant for third graders in Vietnam. The answer is 66, but we don't blame you for scratching your head about how they got there.

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?

Two men are in a desert. They both have packs on. One of the guys is dead. The guy alive has his pack open, and the guy who is dead has his pack closed. What is in the pack?

This is a classy optical illusion puzzle. What more you can find except bricks in the image below?

What am I?

O_er_t_o_

Complete the missing letters of the given word.

What part of Turkey has the most feathers?

If in a code language, DISTANCE is written as IDTUBECN and DOCUMENT is written as ODDVNTNE, the how will THURSDAY be coded as in the same language?

I possess a head

I flaunt a tail

But I don't have mouth or legs

Can you find out who I am?