"types of inquiries" is correct and usable in written English.
You can use it when referring to different kinds of questions or requests. For example, "We receive many types of inquiries about our products and services."
"It is the museum's policy not to discuss publicly the substance of these types of inquiries," he added, "unless and until there is a definitive resolution".
ATHENS -- For the last couple of weeks, the phone at Tasos Ioannidis's five-star hotel on the breezy island of Mykonos has been ringing steadily, but not with the types of inquiries he wants to field.
There are advantages associated with both types of inquiries.
Investigations also don't mean Theranos did something unlawful and these types of inquiries often go nowhere.
This appears to be a first-of-its-kind case and we are sure to see many more of these types of inquiries in the future.
District court clerks told VICE that judges typically do not offer responses on the record for these types of inquiries.
The guidelines address the viability of the method for specific types of research inquiries, as well as how to properly design, structure, and execute different test formats.
Should we ban certain types of inquiry in order to protect existing schemes of values?
The two fields growth and development—employ different methods of analysis and address two distinct types of inquiry.
He noted that politicians and campaigners, including Plaid Cymru and the SNP, were seeking other types of inquiry with some advocating "a full public inquiry that would place blame on individuals".
Students will benefit from a mix of both types of inquiry so long as the five features of scientific inquiry are evident (see Appendix A).
