There is a square of a particular number which when doubled, becomes 7 more than its quarter.

Can you find the number?

What is the end of everything?

Find out which of the given views in the picture is accurately the top view of the given pyramid.

You are in a land where thirty men and two women were dressed in classic black and white dresses.
They begin to fight as soon as any of them move.

Where are you?

Remove two matchsticks to make the below equation correct.

In a school, there are four subjects. Seventy percent of students study English, seventy five percent of students study Science, eighty five percent of students study Mathematics and eighty percent of students study Spanish.

Can you calculate the percentage of students that study all four subjects?

This was asked in an interview with Coa-Cola.

The interviewer has given me 100 marbles(50 white and 50 black) and two empty boxes.
He then told me that he will leave the room and i need to place all the marbles in two boxes.

And When he come back, he will draw a marble from any of the two box and if the marble is white I will be hired.

Also
* No box can be empty.
* All 100 marbles must be placed in one of the two boxes.

So what should I have done?

Replace the question mark with the number below given a simple math problem.

Keyboard words are not in alphabetical order, Why?

If six children and two dogs were under an umbrella, how come none of them got wet?