How can one talk without saying a single word?

When 99 is considered higher than 100?

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)

What does this Rebus Picture means ?

A man who was outside in the rain without an umbrella or hat didn’t get a single hair on his head wet. Why?

I shave every day, but my beard stays the same. What am I?

I am soft and cuddly that soothe your heart. But, If you pick my last name I am going to tear you all apart. Who am I?

What goes up but never comes down?

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?

In a school, there are four subjects. Seventy percent of students study English, seventy five percent of students study Science, eighty five percent of students study Mathematics and eighty percent of students study Spanish.

Can you calculate the percentage of students that study all four subjects?