The word(s) "inquire" appears 4 time(s) in 4 verse(s) in Quran in Saheeh International translation.

(1) O two companions of prison, as for one of you, he will give drink to his master of wine; but as for the other, he will be crucified, and the birds will eat from his head. The matter has been decreed about which you both inquire."

(2) They will say there were three, the fourth of them being their dog; and they will say there were five, the sixth of them being their dog - guessing at the unseen; and they will say there were seven, and the eighth of them was their dog. Say, [O Muhammad], "My Lord is most knowing of their number. None knows them except a few. So do not argue about them except with an obvious argument and do not inquire about them among [the speculators] from anyone."

(3) Then inquire of them, [O Muhammad], "Are they a stronger [or more difficult] creation or those [others] We have created?" Indeed, We created men from sticky clay.

(4) So inquire of them, [O Muhammad], "Does your Lord have daughters while they have sons?