Multiple choice

Which of these is an abbreviation?

  1. PIN

  2. SAMBO

  3. LASER

  4. None Of these
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

PIN, SAMBO, and LASER are all acronyms, which are a type of abbreviation. Since all options are abbreviations, 'None of these' is the only logical choice if the question implies which is NOT an abbreviation.

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