If you say my name, I will no longer exist. What am I?

What Adam and Eve do not have but the rest of the people have?

I am Huge on Sunday and Saturday.
I am small from Tuesday to Thursday.
I do not exist on Monday and Friday.
Who am I?

On a charity event in Russia, Murray beat Djokovic by winning six games and losing three games.
Note: There is a total of 5 service breaks(one who serve lost the game).
Who served first, Djokovic or Murray?

Readers with high attention to detail can identify the vampire in the picture. Can you?

Can you find out the smallest number that can be conveyed as the sum of three squares in three unique ways?

There is a square of a particular number which when doubled, becomes 7 more than its quarter.

Can you find the number?

You need to remove two matchsticks to make the below equation true. Can you do it ?

Steffi's daughter Jazelle needs to be picked up from school every day.
Steffi asks one of her colleagues to pick up Jazelle from the school. Steffi devised a password system to confirm that Jazelle goes with the correct colleague only.

The password on Monday was SJM16.
The password on Wednesday was TAW39.

What will the password be for Friday?

Can you make numbers like 24, using numbers 3,3,7 & 7 with any arithmetic operator?