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

If a shopkeeper can only place the weights on one side of the common balance. For example, if he has weights 1 and 3 then he can measure 1, 3 and 4 only. Now the question is how many minimum weights and names of the weights you will need to measure all weights from 1 to 1000? This is a fairly simple problem and very easy to prove also.

I possess a head

I flaunt a tail

But I don't have mouth or legs

Can you find out who I am?

What does below pictogram mean?

I have lakes with no water, mountains with no stone and cities with no buildings. What am I?

Can you find the odd number in the following?

2716, 4135, 5321 and 7145

The day after tomorrow will be three days before Tuesday. Can you find out what is today?

A woman lives in a skyscraper thirty-six floors high and is served by several elevators which stop at each floor going up and down. Each morning she leaves her apartment and goes to one of the elevators. Whichever one she takes is three times more likely to be going up than down. Why?

Why are all black people so quick ?

I got a bee but no honey.
got an eye but am still blind.
got a sea but no water.
got a tea but no coffee.
got a why but no answer.

What Am I?