what does the below math rebus puzzle mean?

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?

I am a white box having no key or lid.
Yet there is a golden treasure inside it.

What Am I?

Cristina was born in 1888. She just had her 30th birthday today how did that happen?

Can you count the number of triangles in the given picture?

Who is that with a neck and no head, two arms and no hands? What is it?

There are 3 apples in the basket and you take away 2. How many apples do you have now?

Find The Next Number In The Sequence

30 10 15 13 0 16 -15 ?

Can you make the number 24 by utilizing the numbers 1, 3, 4 and 6? You must use one number only one time and you can use mathematical operation symbols anytime anywhere.

What's a single-digit number with no value?