Keyboard words are not in alphabetical order, Why?

A tree doubled in height each year until it reached its maximum height over the course of ten years. How many years did it take for the tree to reach half its maximum height?

Look at me. I can bring a smile to your face, A tear to your eye, Or even a thought to your mind. But, I can't be seen. What am I?

You are stuck on an island where you have nothing. You find four pieces of paper somewhere on the island. What will be your strategy to escape from the island safely?

PS: No other resource is available to you on the island, neither can you build anything.

How high do you have to count before you use the letter “a” in the English spelling of the whole number?

Who is that with a neck and no head, two arms and no hands? What is it?

Which alphabet is a part of our body?

Considering the below equation:

V + II - VI = 10
IV - X + VIII = 20
IV - VII + VI = 30

Then, I + II + III = ?

Who can jump higher than a Mountain?

Can you count the number of squares in the given picture?