Can you decipher the following common phrase?

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

Replace the question mark with the correct number.

The following alphametic has only one solution. Can you find it?
ENLIST + SILENT + LISTEN = ANAGRAM

PS: You may start the number from 0.

John can place six large boxes or nine small boxes into a carton.

Can you find out in how many cartons can he place sixty-six boxes in total?

Many have heard it, but nobody has ever seen it, and it will not speak back until spoken to. What is it?

You have two jars of chocolates labelled as P and Q. If you move one chocolate from P to Q, the number of chocolates on B will become twice the number of chocolates in A. If you move one chocolate from Q to P, the number of chocolates in both the jars will become equal.

Can you find out how many chocolates are there in P and Q respectively?

In a chess board, the queen piece can move horizontally, vertically and diagonally freely. The picture represents the same.Can you place 8 queens on the board in a manner that none of the queens can attack each other?

There is one thing that goes round the house and also inside the house but never even share a brief touch. What is it?

In the given figure, you can see that four match sticks are used to form a square. Can you form five squares by using six matches?

I never stop running even when I standstill. If I am formed by joining two identical bodies together, can you guess who I am?