What is the fewest number of coins that would be required in order to make sure each and every coin touches exactly three other coins?

Find The Next Number in this series.
1, 2, 6, 42, 1806 ?

In an interview, a boy was asked an unusual question 'How two persons sitting with a table in between them can't see each other?' He was unable to reply. Can you?

Which five letter word can be added at the end of below word to form a
valid word?

> Pin
> Check
> Boiling
> View

How many letters are in the alphabet?

You bought me for dinner but never eat me. What am I?

You are driving down the road in your car on a wild, stormy night, when you pass by a bus stop and you see three people waiting for the bus

An old lady looks as if she is about to die.
An old friend who once saved your life.
The perfect partner you have been dreaming about.
Knowing that there can only be one passenger in your car, whom would you choose?

The peacock is a bird that does not lay eggs. How do they get baby peacocks?

What three numbers, none of which is zero, give the same result whether they’re added or multiplied?

If you're 8 feet away from a door and with each move you advance half the distance to the door. How many moves will it take to reach the door?