what does this picture(rebus) riddle means ?

Mr Red Lives in the red house.
Mr Green Lives in the greenhouse.
Mr Yellow Lives in the yellow house.

Who lives in the Whitehouse?

Can you think of a smallest +ve number such that if we shuffle the digits of the number, the new number becomes double the original number?

What English word has three consecutive double letters?

While handling a project, the landscaper is asked by the owner of the mansion that he wants four trees in front of his mansion that are exactly equidistant from each other.

How will he do it?

Find the missing letter in the last circle logically in the given below picture.

The sum of a mother, her baby and her dog's weight is 170 Kg. How much does the baby weigh if the mother weighs 100 kg more than the combined weight of the baby and the dog, and the dog weighs 60 per cent less than the baby?

'Ferrari driver' easily beats the 'force driver' in a two-car race. How did Indian newspapers truthfully report so to look as a 'force drive' had outdone the 'Ferrari driver'? Think!!!

I am looking for a word that change both gender and number when i add the letter 'S'.

What Word am I Looking For ?

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

Who is He ?