using four eights (8) and a one (1) and one mathematical symbol , create the number 100

Using eight eights and addition only, can you make 1000?

The measurement of time, That can't be found on a clock, But can be looked upon on a map.

Who is He ?

When is the top of a mountain similar to a savings account?

A pond had 60 fish, out of which, all but 20 died.
How many fishes are now present in that pond?

In case you were starting to feel confident, this one was meant for third graders in Vietnam. The answer is 66, but we don't blame you for scratching your head about how they got there.

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?

What do you answer even though it never asks you questions?

What is the next number in this matchsticks series riddle?

John is asked to stand behind Jacob and Jacob is asked to stand behind John. Both of them feel confused about it and don't know what to do?

But it is quite possible, do you know how?