Quickly Solve this riddle

7 - 4 + 3 * 0 + 1 = ?

What is the longest word in the dictionary?

You have two buckets of 11 liters and 6 litres.
How can you measure exactly 8 litres?

I’m tall when I’m young, and I’m short when I’m old. What am I?

It's a protector.
It sits on a bridge.
One individual can see directly through it, while others wonder what it hides.

What is it?

I am a normal creature, but I have five hands. I can even have more but even then I will be considered normal.

Who am I?

Tarang football website was hacked by one of the players. Jack, the coach of Tarang has pointed out five players as the possible hacker.
Each suspected player made three statements from each suspected player and out of which two are true and one is false.

Joseph
A) I have not hacked the website.
B) I know nothing about hacking.
C) John did it.

Hazard
A) I have not hacked the website.
B) The website was attacked by one of the players.
C) I hate Shelly

Remy
A) I have not hacked the website.
B) I have never seen Oscar in my entire life.
C) I am sure John did it.

John
A) I have not hacked the website.
B) I am sure Oscar did it.
C) Joseph was lying when he said he did it.

Oscar
A) I have not hacked the website.
B) I am sure Hazard did it.
C) I used to be friend with Remy.

So who hacked the website?

How can you make number one disappear by adding something to it?

How can one talk without saying a single word?

A Child was born in Lahore, Pakistan.

Still child is not a Pakistani citizen.why ?