Question

The envelope size most commonly used for correspondence is:

a) A7
b) A4
c) #10
d) DL

Answer 1

The correct answer is option c. The most commonly used envelope size for correspondence is the #10 size.

Step-by-step explanation:

The envelope size most commonly used for correspondence is the #10 size. This size measures 4 1/8 inches by 9 1/2 inches, and it is widely used for business letters, invoices, statements, and other professional correspondence.

Other options mentioned are A7, A4, and DL. However, these sizes are typically used for different purposes. A7 is often used for invitations or greeting cards, A4 is a standard paper size used in many countries but not specific to envelopes, and DL is a European standard envelope size commonly used for business correspondence.

So, the correct answer is: c) #10.