"तुम्हारी गाड़ियाँ अच्छी हैं।"

Translation: Your cars are good.

[plastoquinone]

So if the noun was masculine you would use तुम्हारे, but because it's feminine we use तुम्हारी and it doesn't matter that it's plural, right?

[Zesul]

Exactly!

[RubamaSult]

Exactly! You're on the right track. Enjoy DuoLingo :)

[RAjRecruit]

Are but is

[Avinash75334]

" गाड़ियाँ" - can be vehicles right. Not just cars

[Talaith1]

achhi also means nice, so that should be accepted.

[ph.TnlZK3]

Your cars are good