It is deaf, Dumb and Blind!!!

Still, always tells the truth. What is it?

Count the number of triangles in the picture below:

I am a type of word that is spelt incorrectly or used differently, on purpose for humour. What am I?
Hint 1: You can find me in a joke.
Hint 2: I am a play on words.

Which statement is true out of the following?
One statement here is false.
Two statements here are false.
Three statements here are false.

Find out which of the given views in the picture is accurately the top view of the given pyramid.

The host of a game show, offers the guest a choice of three doors. Behind one is a expensive car, but behind the other two are goats.
After you have chosen one door, he reveals one of the other two doors behind which is a goat (he wouldn't reveal a car).

Now he gives you the chance to switch to the other unrevealed door or stay at your initial choice. You will then get what is behind that door.

You cannot hear the goats from behind the doors, or in any way know which door has the prize.

Should you stay, or switch, or doesn't it matter?

What does Alexander the Great and Winnie the Pooh have in common?

What animal walks on four legs in the morning, two legs during the day, and three legs in the evening?

Oedipus, the king of Thebes, figured out the answer to the riddle:

Take 9 from 6, 10 from 9, 50 from 40, and leave 6.

How Come ??

Complete the given grid with valid words. You can only use the letters AAEEIIMMPPTT.

Hint: The grid reads the same across as down.