B1
a question that you ask when you want more information
Dictionary examples:
The student's inquiry about exam dates caused a collective groan in class. (0.0)
The boss's inquiry about lunch plans sparked a office-wide food fight. (0.0)
His inquiry about the dress code resulted in everyone wearing silly hats. (0.0)
I've made some inquiries about the cost of a round-the-world ticket. (36.6)
Inquiry into the matter is pointless - no one will tell you anything. (56.7)