What is the next shape from answers A, B, C, and D figure?

What can run but never walks, has a mouth but never talks, has a head but never weeps, has a bed but never sleeps?

Always in you, Sometimes on you;

If I surround you, I can kill you.

What am I?

I organized a small get together at my home.
In the party , i have a barrel with some whiskey in it.

Suddenly Guest 1 say 'I bet this barrel of whiskey is more than half full'.
'No, it's less than half full' Guest 2 replied.

I don't have any measuring instrument and without removing whiskey from it , how can i determine which of the guest is right ?

Find the last number in the series below:

voN luJ yaM raM ---

A mother bought three dress for her triplets daughters(one for each) and put the dresses in the dark. One by one the girls come and pick a dress.
What is the probability that no girl will choose her own dress?

John is the son of Jacob.
So,
Jacob is the_____of John's father?

The teacher told the student that if he told a lie then he will be expelled from school and if he told the truth then he still is expelled from school.

What can a student say to prevent his being expelled from school?

If you drop a 15 kg iron bar and a 5 kg bag of cotton from a height of 50 meters which will reach the ground first?

Eight of us go fourth, not back, to protect our king from an attack. What are we?