What does this Rebus Picture means ?

How can you write nineteen in a manner that if we take out one, it becomes twenty?

Double it and multiply it by 4. Then divide it by 8 and you’ll have it once more. What number is it?

First, think of the colour of clouds. Next think the colour of snow. Last, think of the colour of the moon. Now, what do cows drink?

Can you start the fire using two pieces of wood?

On a bus, there is a 26-year-old pregnant lady.
A 30-year-old policeman.
A 52-year-old random woman.
And the 65-year-old driver.

Who is the youngest?

Whats the next number in the below number sequence pattern.

John replied, when asked how old he was. In 2 years he will be twice as old as he was five years ago.' How old is he ?

Get total of 120 by using five zeros 0,0,0,0,0 and any one mathematical operator.
Do you ?

By using all numbers, i.e. 123456789 and subtraction/addition, operators number 100 can be formed in many ways.
Example: 98 + 7 + 6 - 5 - 4 - 3 + 2 - 1 = 100

But if we add a condition use of the number 32 is a must. Then there are limited solutions.
One of such solution is: 9 - 8 + 76 + 54 - 32 + 1 = 100

Can you tell me any other solution?