If you’ve got me, you want to share me; if you share me, you haven’t kept me. What am I?

Until it is measured, not known. Yet how you miss it when it has gone. What is it?

How can you write nineteen in a manner that if we take out one, it becomes twenty?

Find the next number in the series.
1 10 24 43 67 ?

It's a test that will check your IQ.

Suppose you have one 11 minute hourglass and one 13 minute hourglass.

Can you measure exactly fifteen minutes using them ?

Why did the Girl throw the butter out of the window?

A girl says this to her best friend: “I was born in 1955, and I celebrated my 17th birthday last weekend.” Her best friend thinks she’s lying, but she’s actually correct. How is that possible?

I live in a bowl. I can swim. I have a tail. I also have fins and big eyes. What am I?

There are three boxes on a table. One of the box contains Gold and the other two are empty. A printed message contains in each box. One of the message is true and the other two are lies.

The first box says "The Gold is not here".

The Second box says "The Gold is not here".

The Third box says "The Gold is in the Second box".

Which box has the Gold?

Can you replace the X (both small and big x) with the numbers between 1 to 19 such that all the rows of 3 numbers between X (big x) sum to 23?