What is both possible and impossible at the same time?

O_er_t_o_

Complete the missing letters of the given word.

Decode below three cipher riddles:

26 L of the A
7 D of the W
1000 Y in a M

A Child was born in Lahore, Pakistan. Still, the child is not a Pakistani citizen. why?

Which number should replace the question mark?

You board a train. The train will have to enter a tunnel soon. You are claustrophobic. Which place is the best for you to sit?

In the picture, you can see a chess board. On the top left position, the K marks a knight. Now, can you move the knight in a manner that after 63 moves, the knight has been placed at all the squares exactly once excluding the starting square?

Considering the below equation:

V + II - VI = 10
IV - X + VIII = 20
IV - VII + VI = 30

Then, I + II + III = ?

An old Woman left INR 33,333 to be divided equally among two fathers and two sons and each was to receive INR 11,111.
How was this possible?

Can you decipher the following common phrase?

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