Five Acronyms

Unknown Author May 1, 2023

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Section: Brain Teasers Category: Insight

Difficulty: Medium

What do the following acronyms have in common?

LCD display
ATM machine
PDF format
ISBN number
HIV virus

SOLUTION

All five are examples of the RAS syndrome (Redundant Acronym Syndrome syndrome) in which the last word of the acronym is repeated.

Liquid-Crystal Display display
Automated Teller Machine machine
Portable Document Format format
International Standard Book Number number
Human Immunodeficiency Virus virus

Unknown Author

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