What goes up but never comes down?

How can you spell "White of an egg" in one word?
Hint: I know you can spell coke, poke, and joke.

Below the four parts have been reorganised. The four partitions are exactly the same in both arrangements. Why is there a hole?

Find out the missing number in the picture attached:

I make two people out of one. What am I?

I have lakes with no water, mountains with no stone and cities with no buildings. What am I?

A large container is kept in open under the rain. Every passing hour, the water collected inside the container becomes double what it was.

In ten hours, the container is filled completely. Can you calculate how long would it have taken to be filled in half?

Find the number of squares in the below picture

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

Find three whole, positive numbers that have the same answer when multiplied together as when added together.