What can you catch but never throw?

If you're 8 feet away from a door and with each move you advance half the distance to the door. How many moves will it take to reach the door?

The more you take me, the more you leave me behind.
Who Am I?

During an experiment, a guy throws a bouncy ball from a 100 feet tall building. The ball has a specific characteristic. Every time it hits the ground, it bounces up halfway.

How many bounces do you think the ball will make before it comes to a stop ?

I have a clock(12-hour format) and both the needles of the clock overlap at 12:00.
After how much time, they will overlap again?

The current time can be represented by below textual rebus.

0
=========
B.Sc
LLB

Can you tell us the current time?

How many bananas can you eat if your stomach is empty?

Find the last number in the series below:

voN luJ yaM raM ---

What 4-letter word can be written forward, backward or upside down, and can still be read from left to right?

Alex is stranded on an island covered in forest.
One day, when the wind is blowing from the west, lightning strikes the west end of the island and sets fire to the forest. The fire is very violent, burning everything in its path, and without intervention the fire will burn the whole island, killing the man in the process.

There are cliffs around the island, so he cannot jump off.

How can the Alex survive the fire? (There are no buckets or any other means to put out the fire)