Three doctors said that Bill was their brother. Bill says he has no brothers. How many brothers does Bill actually have?

Can you identify the direction in which this bus is moving; left or right?

Hint: The bus is moving on the roads of London.

There are people and strange monkeys on this island, and you can not tell who is who (Edit: until you understand what they said - see below). They speak either only the truth or only lies.
Who are the following two guys?
A: B is a lying monkey. I am human.
B: A is telling the truth.

I travel all around the world but always stay in the corner. What am I?

What can run but never walk, have a mouth that never speaks, have a head that never weeps, and have a bed but never sleeps?

A wealthy man lives alone in a small cottage. Being partially handicapped he had everything delivered to his cottage. The mailman was delivering a letter one Thursday when he noticed that the front door was ajar. Through the opening he could see the man's body lying in a pool of dried blood. When a police officer arrived he surveyed the scene. On the porch were two bottles of warm milk, Monday's newspaper, a catalog, flyers, and unopened mail. The police officer suspects it was foul play. Who does he suspect and why?

There is one four-digit whole number n, such that the last four digits of n2 are the original number n

As you can see that fifteen matches have been used to form an arrangement. What you have to do is remove any six of them to make them ten.

Decode the movie name from the below picture?

What's a single-digit number with no value?