Which number should replace the question mark?

Today is a very icy and cold morning in Newcastle. Mr Shearer, an office bus driver arrived to pick up the employees from the last stop. Shearer suddenly remembers that he needs to pick a newly joined 4miles to the north. Mr Shearer lost his direction compass, a few minutes later Shearer is able to figure that he is moving in the correct direction i.e. north. How did Shearer know that he is moving in the correct direction?

You are a prisoner sentenced to death. The Emperor offers you a chance to live by playing a simple game. He gives you 50 black marbles, 50 white marbles, and 2 empty bowls. He then says, 'Divide these 100 marbles into these 2 bowls. You can divide them any way you like as long as you use all the marbles. Then I will blindfold you and mix the bowls around. You then can choose one bowl and remove ONE marble. If the marble is WHITE you will live, but if the marble is BLACK... you will die.'

How do you divide the marbles up so that you have the greatest probability of choosing a WHITE marble?

Remove two matchsticks to make the below equation correct.

If eleven plus two equals one, what does nine plus five equal?

What does this rebus puzzle means ?

What is the word or phrase below?
R | E | A | D

What has hands, but can’t clap?

Can you spot the hidden clock in this family photo? Only the most eagle-eyed will find it!

They do not possess flesh or feathers or scales or bone
But still, they are blessed with fingers and thumbs of their own.