what does the below rebus means?

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?

If "P" means "-", "Q" means "/", "R" means "+", and "S" means "*" then find the value of the following:

21 Q 7 R 9 S 10 P 13

The horse jumps over the king.
Strangely there is absolutely no scratch on him.

Can anyone explain, how is this possible?

What word begins and ends with an E, but has only one letter?

What does below pictogram mean?

Can you place six X (crosses) in below board without making three in a row in any way ?

If six children and two dogs were under an umbrella, how come none of them got wet?

I am lying and I always lie. Tell me whether I am lying or telling the truth.

This puzzle is for Harry Potter fans. Do you know why Tom Riddle is called Lord Voldemort?