What is the word or phrase?

If two's company, and three's a crowd, then whats four and five ?

Rahul decided to meet Simran so he boards a local train from Bombay station. Just after the station, there is a 1km long tunnel. The train starts and is now accelerating. Rahul is a claustrophobic guy, so what is the best position for him to sit?

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

James bond was pushed out of an aeroplane without any parachute.
He survived, How come?

The centre of the third figure is empty. What digit should fit inside?

At a party, there are five people and a whole round cake lying at the centre of the table. Only four people will make a cut and take their piece and the last one will get the remaining piece on the table. How can they make sure that everyone gets a 1/5th of the piece?

How many times do a clock's hands overlap in a day ?

A word I know,
Six letters contain,
Subtract just one,
And twelve is what remains.

A pond had 60 fish, out of which, all but 20 died.
How many fishes are now present in that pond?