Question

As per DIN standards, the dimension of A4 size paper is:

• A. 210 by 297 mm
• B. 297 by 268 mm
• C. 236 by 278 mm
• D. 210 by 297 inches

Hint:

A4 paper is the most commonly used document size globally for letters, reports, and printing.

Answer 1

The Correct Option is A

Step 1: Understanding DIN standards.
The DIN (Deutsches Institut für Normung) standard defines international paper sizes under ISO 216.
Step 2: Explanation.
According to ISO 216, A4 paper dimensions are 210 mm × 297 mm, maintaining an aspect ratio of 1:√2, ideal for scaling.
Step 3: Conclusion.
Thus, the standard dimension of A4 paper is 210 by 297 mm.