This is the formal non-polite non-past interrogative of 있다.

The other non-past forms are:

• 있어 (informal non-polite)

• 있어요 (informal polite)

• 있습니까 (formal polite)

What's the difference between phone and telephone?

telephone was wrong but phone is right...

Is there any difference between -느냐 and -니 ?

I got rekt by the difference between phone and telephone... feelsbadman

I heard a kid (probably 13 years old) asking something with this ending (느냐) to his friend from school. Maybe it's not common but what does it entail if you ask something aloud using 느냐?

Why is phone ok but telephone isn't??

Telephone should also be accepted. Hmm... even the hint gives you "telephone"

사과 있어요.