You have 10 balls with you. A friend of yours out of nowhere asks you to place those ten balls in five lines such that each of the lines has exactly 4 balls on them. He needs to check your intelligence. Prove him by doing the task.

Why 1729 is a magic number? Answer Logically.

I have nine bottles of wine and one of the nine bottles is poisoned.
I need to find the poisoned bottle with two facts
(1) Poison is deadly, only a sip will cost death
(2) I have two mice to do so.

How should I do it?

My friends called me Iron59 because my parents are a chemist and a mathematician. What is my real name?

There are are five things wrong with this sentence; only geniuses will be able to to spot all of the mitstakes

Why did Buffon take the goal with him after every Juventus match?

When my father was 31 I was 8. Now he is twice as old as me. How old am I?

Solve the equation by replacing the alphabet with numbers.

MOM + MOM + NO = BOOK=

Cristina was born in 1888. She just had her 30th birthday today how did that happen?

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?