What do discs, like the kind shown in the accompanying figure, usually measure?
A) 3.5 inches in diameter and less than one-twentieth of an inch thick
B) 4.75 inches in diameter and less than one-twentieth of an inch thick
C) 3.5 inches in diameter and more than one-twentieth of an inch thick
D) 4.75 inches in diameter and more than one-twentieth of an inch thick

Question

What do discs, like the kind shown in the accompanying figure, usually measure?
A) 3.5 inches in diameter and less than one-twentieth of an inch thick 
B) 4.75 inches in diameter and less than one-twentieth of an inch thick 
C) 3.5 inches in diameter and more than one-twentieth of an inch thick 
D) 4.75 inches in diameter and more than one-twentieth of an inch thick

Quizplus · Accepted Answer

Discs shown in the accompanying figure are most likely CD/DVD discs, which typically measure 4.75 inches in diameter and less than one-twentieth of an inch thick. Option A is incorrect as 3.5 inches is the diameter of a floppy disk which is no longer in common use. Options C and D are incorrect as the typical thickness of CD/DVD discs is less than one-twentieth of an inch thick.

What Do Discs, Like the Kind Shown in the Accompanying