Always in you, Sometimes on you;

If I surround you, I can kill you.

What am I?

In the image below, can you find the value of an angle(y)

Find the hidden panda in the image below.

An express train takes 3 seconds to enter the tunnel which is 1 km long.
If it is travelling at 120 km an hour, how long will it take to pass completely through the tunnel?

why number 8549176320 is one of a kind?

A man was just doing his job when his suit was torn. Why did he die three minutes later?

Can you divide the below-given shape into four equal and identical pieces?

I have no doors but I have keys, I have no rooms but I have space, you can enter but you can’t leave! What am I?

To attend world science seminar, A famous chemist from Mexico visit
London. In the lab, the scientist was killed and his six assistants were under suspicion of killing the chemist.
Name of six assistants: Austin, Wayne, Dege, Oscaru, Lingard, and Rojo.
He left a note "76-20-44 79-16-22-7"

A local detective Jack was called to solve the case,

After reading the note, Jack instantly asked the police to arrest the murderers.

Who are the murderers?

What does this Rebus Picture means ?