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)

There is a box full of marbles,
all but two are blue,
all but two are green,
and all but two are red.

How many marbles are in the box?

An express train takes 3 seconds to enter the tunnel which is 1 km long.
If it is travelling at 120 km an hour, how long will it take to pass completely through the tunnel?

They do not possess flesh or feathers or scales or bone
But still, they are blessed with fingers and thumbs of their own.

Here is a mathematical expression that also secretly tells a movie name. What movie is that?

I can write cow in 13 letters.

Can You?

I am a prime number.
The double of myself is equal to the square of me.

which number am I?

Solve the equation by replacing the alphabet with numbers.

MOM + MOM + NO = BOOK=

I am the beginning of the end, and the end of time and space. I am essential to creation, and I surround every place. What am I?

What 8 letter word can have a letter taken away and it still makes a word. Take another letter away and it still makes a word. Keep on doing that until you have one letter left. What is the word?