Question

The most common envelope size used for correspondence is _____ A) A4

B) C5
C) #10 (or DL in some regions)
D) A5

Answer 1

The most common envelope size used for correspondence is #10 (or DL in some regions).

Step-by-step explanation:

The most common envelope size used for correspondence is #10 (or DL in some regions). This size is widely used for business letters and is known as the standard business envelope size. It measures approximately 4.125 x 9.5 inches or 105 x 241 mm.