There was an aeroplane crash, every single person died, but two people survived. How is this possible?

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?

How many times do a clock's hands overlap in a day ?

1 + 9 + 8 = ?
considering, 28 + 8 + 92 = 10

Can you spot the man between the coffee bean in the picture below ?

A seven-year-old kid challenged his classmates that he can make the number one disappear by adding something to it.

How can he do that?

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.)

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

Can you Find and name the hidden bird in the picture below ?

During which month do people sleep the least?