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?

If I remove one from eleven it becomes Ten and if I remove one from nine also becomes Ten. How?

Count the number of triangles in the below picture?

A word I know,
Six letters contain,
Subtract just one,
And twelve is what remains.

How many people must be gathered together in a room, before you can be certain that there is a greater than 50/50 chance that at least two of them have the same birthday?

In one of the popular batman series movie "Batman Forever", there was a riddle that goes like "Tear me off and then scratch my head and I was red then and now I am back. Who am I?

There are nine letters in the below-given diagram. You have to form a nine-letter word using these letters.

You have two buckets - one holds exactly 5 gallons and the other 3 gallons. How can you measure 4 gallons of water into the 5 gallon bucket?

(Assume you have an unlimited supply of water and that there are no measurement markings of any kind on the buckets.)

There are forty elephants and they have forty-fore heads. How can this be possible?

What do you see in the image below