What is harder to catch the faster you run?

If,

6 / 7 = 2
3 / 9 = 7
8 / 2 = 6

Then

4 / 5 = ?

Why do you find that most of the buildings are deprived of the 13th floor?

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)

When my father was 31 I was 8. Now he is twice as old as me. How old am I?

I can write cow in 13 letters.

Can You?

Four men were in a boat on the lake. The boat turns over, and all four men sink to the bottom of the lake, yet not a single man got wet! Why?

What does the following represent?

N N N N N N N

A A A A A A A

C C C C C C C

A plane crashed between the border of Mexico and America. Where do you bury the survivors?

What do the following words have in common?

Assess
Banana
Dresser
Grammar
Potato
Revive
Uneven
Voodoo