Can you identify if it's a murder or a suicide ?

The following sentence is false. The preceding sentence is true.
Are these two sentences true or false?

A beggar on the street can make one cigarette out of every 6 cigarette butts he finds. After one whole day of searching and checking public ashtrays the beggar finds a total of 72 cigarette butts. How many cigarettes can he make and smoke from the butts he found?

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?

Count the number of triangles in the given picture.

What do you call a fish without an eye?

Can you spot the hidden girl in the picture below?

What is the relationship between these matchstick pictures below?

How much will a 38° angle measure when looked at under a microscope that magnifies ten times?

Why do people go to bed?