Identify the type of adjective underlined in the following sentence.Whichdress should I wear to the party?

Interrogative pronoun যখন adjective রূপে কাজ করে তখন তাকে বলে  Interrogative adjective .
- Which dress should I wear to the party?
- What colour do you like most?
- Which man is your uncle ?

Interrogative pronoun                           Interrogative adjective 
Which                                                          which + noun
what                                                             what + noun


[Source: A Passage to the English Language , S M Zakir Hussain]