There are nine dots in the picture that has been attached with this question. Can you join all the dots by drawing four straight lines without picking up your pen?

Find the next number in the series below.

6 18 270 72090 ?

I’m tall when I’m young, and I’m short when I’m old. What am I?

I’m tall when I’m young, and I’m short when I’m old. What am I?

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?

John said, "If yesterday was tomorrow, today would be Friday."

When did John make this statement?

A mile-long train is moving at sixty miles an hour when it reaches a mile-long tunnel. How long does it take the entire train to pass through the tunnel?

I am 5 letters long.
My first two tell you who I am
My first 3 could be a medicine
My last three reversed could be a young boy.
My 4th, 3rd and 2nd in that order could be a fruit drink.
If you have me you may hang me round your neck
WHAT AM I ?

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

How many times can you subtract the number two from the number fifty?