I do hope you are right. The professional exams have been blighted for years by questions you can't answer correctly unless you have seen them before. The track record isn't great....
Example:
The DME Line Of Position is a circle with radius:
(a) The ground distance and centre the DME-station
(b) The slant range and centre the DME-station
(c) The ground distance and centre the aircraft
(d) The slant range and centre the aircraft
go for it! P.S. answer (a) is marked correct in the exams