What mathematical symbol can be put between 5 and 9, to get a number bigger than 5 and smaller than 9?

John was going on a jungle trip. He asked his wife to pack something to eat, something to drink and something to burn if he feels cold in the jungle. When John opens the backpack he found just one thing in the bag. What was it?

I cry without having a voice.
I fly without having wings.
I bite without having teeth.
I whisper without a mouth.

Who am I?

If there are fifteen crows on a fence and the farmer shoots a third of them, how many crows are left?

Can you find out the remainder when 3^300 is divided by 5?

A patient was diagnosed with some ailment. He was given five different tablets to take at night at an interval of 15 minutes.

How long will it take the patient to consume all the five tablets?

Which Burger Is Different in below image?

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?

My location can be determined by the below rebus.
So where am i ?

You have a three-gallon and a five-gallon measuring device. You wish to measure out four gallons.