Answer:
What is black when it is clean and white when it is dirty?
What comes once in a minute, twice in a moment, but never in an hour?
i am 4 times as old as my daughter in 20 years time i shall be twice as old as her how old are we now
Taking this from a baby is said to be quite easy.
Its fleece is warm and wooly white. And when you lie awake at night, count it and you'll fall asleep. What is it?
What is always coming but never arrives?