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

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

What Word am I Looking For ?

What does an Island and the letter T have in common?

Can you complete the sequence puzzle?

AR TA GE CA LE VI LI _

Which three-digit number, made of consecutive digits, like 567, is 2 less than a cube and 2 more than a square?

John is on an island and there are three crates of fruit that have washed up in front of him. One crate contains only apples. One crate contains only oranges. The other crate contains both apples and oranges.

Each crate is labelled. One reads 'apples', one reads 'oranges', and one reads 'apples and oranges'. He know that NONE of the crates have been labeled correctly - they are all wrong.

If he can only take out and look at just one of the pieces of fruit from just one of the crates, how can he label all of the crates correctly?

A Child was born in Lahore, Pakistan. Still, the child is not a Pakistani citizen. why?

A professor thinks of two consecutive numbers between 1 and 10.
'A' knows the 1st number and 'B' knows the second number

A: I do not know your number.
B: Nor do I know your number.
A: Now I know.

What are the four solutions for this?

Count the number of lines in the image below ?

The captain of a ship was telling this interesting story: "We travelled the sea far and wide. At one time, two of my sailors were standing on opposite sides of the ship. One was looking west and the other one east. And at the same time, they could see each other clearly." How can that be possible?