If you say my name, I will no longer exist. What am I?

Can you decipher the following common phrase?

T M C
A U O
H S M
W T E

In which direction should the missing arrow point?

Can you name any English verb that becomes its past tense by simply rearranging the alphabets ?

How many triangles are there on the puzzle below?

A woman lives in a Tall building thirty-six floors high and served by several elevators which stop at each floor going up and down. Each morning she leaves her apartment and goes to one of the elevators. Whichever one she takes is three times more likely to be going up than down. Why?

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?

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

How Come ??

A wooden log balances equally on the scales when weighed with three-quarters of a pound and three-quarters of a wooden log.

Can you calculate the weight of the entire wooden log?

If,

20 % 5 = 24

21 % 7 = 33

42 % 6 = 67

Then;

66 % 6 = ?