How can you take 2 from 5 and leave 4?

Rearrange the letters in "new door" to make one word.

Can you place three balls such that the equation shown in the picture holds true?

Count the number of squares in the picture below.

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?

When I get multiplied by any number, the sum of the figures in the product is always me. What am I?

Solve this riddle by finding the odd one out from the rest.

I start and end with 500 and carry a 5 in my heart. But I require the first letter and the first number to be complete. I am the name of a King.

Who am I ?

A boy was driving a car, a girl took a lift from her. She asked his name. The boy said - my name is hidden in my car’s number, find it if you can. After this, she got down Car number was [ WV733N ] Can you guess the name now?

You bought me for dinner but never eat me. What am I?