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?

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?

Place the numbers from 1 to 9 in the circles in a manner that each side of the triangle sums up to 17.

What number comes next in the series?

5 15 5 18 5 24 14 20 _

I am a normal creature, but I have five hands. I can even have more but even then I will be considered normal.

Who am I?

In four steps you need to move the word 'cold' From 'warm' by replacing one alphabet at a time such that every word formed at each step is acceptable in English Dictionary.

You need to pick one entry from pot A and one from pot B to have a perfect match. Can you do it?

Find the last number in the series below:

voN luJ yaM raM ---

Considering the below equation:

V + II - VI = 10
IV - X + VIII = 20
IV - VII + VI = 30

Then, I + II + III = ?

What do you see in the given picture?