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Which is correct?
A) Dr. Cresta is one of those professors who does whatever it takes to get his point across to his students.
B) Dr. Cresta is one of those professors who do whatever it takes to get their point across to their students.
Comments  
These are your choices:

A) Dr. Cresta is a kind of professor who does whatever it takes to get his point across to his students.
B) Dr. Cresta is one of those professors who do whatever it takes to get their point across to their students.
"Does" should be used although I doubt the sentence is correct!
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Are Both sentences correct?
intiqam88Are both sentences correct?
Only B is.
This is a popular question about which there is much discussion on various websites. While it can be argued that there is a logic in choosing (B), for me the natural and idiomatic choice is (A).
Students: Are you brave enough to let our tutors analyse your pronunciation?
GPYWhile it can be argued that there is a logic in choosing (B), for me the natural and idiomatic choice is (A).
Just curious. Do you think it can be argued that there is logic in choosing A?
intiqam88Which is correct?
B. This "one of" problem is discussed in many grammar books.

one of this group: those who do such-and-such

CJ