What type of curtain does this rebus mean

There was a minor accident with a doctor's son but the doctor noticed no major injury. After the treatment, the father of that doctors son is sitting with the son of the doctor without the doctor being in the room.

How can this be possible?

Why do you find that most of the buildings are deprived of the 13th floor?

In a football game, Christina defeated Teresa by 2 - 0 but no man from either side scored. How can this be possible?

You have 10 balls with you. A friend of yours out of nowhere asks you to place those ten balls in five lines such that each of the lines has exactly 4 balls on them. He needs to check your intelligence. Prove him by doing the task.

Why despite killing dozens of people Charley and Wilma were not punished?

I am a word that begins with the letter “i.” If you add the letter “a” to me, I become a new word with a different meaning, but that sounds exactly the same. What word am I?

What does this rebus means ?

PROG WORKRESS

What do you answer even though it never asks you questions?

Can you find out the total number of triangles in the given figure?