Multiple choice general knowledge The ratio of width of our National flag to its length is 3:5 2:3 2:4 3:4 Reveal answer Fill a bubble to check yourself B Correct answer Explanation The Indian National Flag follows the official ratio of 2:3 as per the Flag Code of India. This means for every 2 units of width, the flag has 3 units of length. The 3:5 ratio is sometimes confused but is incorrect for the Indian flag.