Can you spot what's wrong with the following sentence?

PETER WAS ANGRY AT
HIMSELF BECAUSE HE
ACCIDENTALLY LEFT THE
THE KEYS TO HIS CAR
AT HIS FRIEND'S HOUSE.

If you toss a coin 10 times and it lands heads up every time, what are the chances it will land heads up if you toss it again?

You need to arrange three 7 and mathematical symbols to form number 1?

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

Can you start the fire using two pieces of wood?

You find yourself in a strange place guarded by two guards.One of the guard always say truth while other always lies.You don't know the identity of the two.You can ask only one question to go out from there. What should you ask?

Can you find out the missing number?

? 4 5 3 5

9 5 7 10 3

A boy and his father are caught in a traffic accident, and the father dies. Immediately the boy is rushed to a hospital, suffering from injuries. But the attending surgeon at the hospital, upon seeing the boy, says 'I cannot operate. This boy is my son.' How is this situation explained?

Can you solve the rebus below?

I have a big mouth and I am also quite loud! I am NOT a gossip but I do get involved with everyone's dirty business.