A train full of passengers goes through a tunnel. When the train comes out from the other end, there is no single person on the train.

How did it happen?

Can you find the missing number in the third row?
35 20 14
27 12 18
5 2 ?

I am looking for a word that change both gender and number when i add the letter 'S'.

What Word am I Looking For ?

Always in you, Sometimes on you;

If I surround you, I can kill you.

What am I?

On a special event at the prison, 5 prisoners John, Jacob, Krist, Tang, and Dang given a chance to go to a sauna and can bring one thing with them.

Following are the things that the prisoners bring with them.
John: A soda
Jacob: Thermos
Krist: Book named "How to kill"
Tang: A Walkman
Dang: Harmonica

Since it is a Sauna, no one can see each other. After a while When the steam is switched, Tang was found dead and there was blood all around.
J Bond was called and he instantly come to know who can be the murderer. How?

Which of the following words don't belong in the group and why?
CORSET, COSTER, SECTOR, ESCORT, COURTS

I am taken from a mine and shut up in a wooden case, from which I am never released, and yet I am used by almost every person. What am I?

Can you decipher the following common phrase?

T M C
A U O
H S M
W T E

What does this mathematical rebus means ?

Can you name an animal whose killing cannot be performed without spilling your own blood?