Which of the following sentences violates the standards for the use of numbers?
A) The party is at 9:30 p.m.
B) The class starts at four o'clock.
C) The meeting will end at 8 o'clock.
D) The duration of this test is 1:30 hours.
E) We can leave by 7:00 o'clock.

Question

Quizplus · Accepted Answer

The correct usage should be "7:00" or "7 o'clock," but not "7:00 o'clock," which combines two formats unnecessarily.

Which of the Following Sentences Violates the Standards for the Use