what does the below rebus means?

P is the father of Q and S is the son of R. T is the brother of P and has a daughter U. If R is the sister of P, then what is the relation between U, Q and S?

Why is the Hole below a Lock?

He runs but never walks. Murmurs, but never talks. Has a bed, but never sleeps. And has a mouth, but never eats?

Jim and Sarah are in a long-distance relationship. Jim buys an engagement ring for Sarah and wants to mail it to her. Unfortunately, the only way to ensure the ring will be received is to place a lock on the package. Jim has locks and Sarah has locks, but neither has keys for each other’s locks. How can they make sure the ring isn’t stolen?

If your uncle’s sister is not your aunt, what relation is she to you?

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

Can you name four days which start with the letter 'T'?

Which statement is true out of the following?
One statement here is false.
Two statements here are false.
Three statements here are false.

What does below chemistry rebus means?