Hi, there

Which of these sentences is right?

“Which countries’ flags are these?”
“Which countries are these flags from?”
“Which countries do these flags belong to?”

Thank you!

Question

Hi, there

Which of these sentences is right?

“Which countries’ flags are these?”
“Which countries are these flags from?”
“Which countries do these flags belong to?”

Thank you!

Answer

For me, they are all correct and synonymous.