A Doctor always sneezes before the rain. Doctor sneezes, Will it rain?

What question can you never answer yes to?

By including only four matchsticks in below picture, you have to make "Four Triangles And Two Squares"

What's the only room from which no one can enter or leave

I am five letter word that is under you.
If you remove my 1st letter, then I am over you.
If you remove my 1st and 2nd letters then I am all around you.

Who am I?

Your mother’s brother’s only brother-in-law is asleep on your couch. Who is asleep on your couch?

I am white when I am dirty, and black when I am clean. What am I?

I am a type of food that is often found in the fridge and can be white in colour. What I am?
Hint 1: I am a dairy product.
Hint 2: You can spread me on the bread.

Bopanna was working on a murder case when he received a message about the location of the murder weapon.
The message was encrypted as below.

"deb mitciv eht edisni neddih si nopaew redrum ehT"

Tell me the location of the murder weapon.

Find out the missing number in the picture attached: