Multiple choice general knowledge

All Master cards start with anyone of the following number

  1. 4

  2. 3

  3. 5

  4. None of the above

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

All Mastercard credit and debit cards begin with the number 5, specifically with the IIN/BIN range 51-55. This is part of the ISO/IEC 7812 standard for card numbering. Visa cards start with 4, American Express with 34 or 37, and Discover with 6011.