You may enter, but you may not come in. I have space, but no room. I have keys, but open no lock. What am I?

Can you think of a smallest +ve number such that if we shuffle the digits of the number, the new number becomes double the original number?

You have three orange, two pink and five purple balls in the drawer beside your bed. There is no electricity and the room is entirely dark. How many balls must you take out to ensure at least one ball of each colour at least?

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?

Tell me the Hindi name of a Vegetable which if we remove 1st word will become a precious Stone and by removing the last word it will become a sweet eatable.

Identify the movie name through below Rebus containing Pi Mouse and coconut tree..

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

what does the below rebus means?

Move four matchsticks to the below square to form three squares?

I am looking for a word that change both gender and number when i add the letter 'S'.

What Word am I Looking For ?