President Trump has raised concerns for his mental health once again after he called a common cognitive test "very hard" while mistaking it for an IQ exam, RadarOnline.com can reveal.

The test is intended to help doctors diagnose the early stages of dementia. Article continues below advertisement

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Trump bragged about the results of his latest cognitive exam at Walter Reed Medical Center while speaking with reporters on Air Force One on Monday, October 27.

The 79-year-old mistakenly claimed to have taken an "IQ test," then challenged Democratic Reps. Jasmine Crockett , 44, and Alexandria Ocasio-Cortez , 36, to do the same.

"They have Jasmine Crockett, a low-IQ person. AOC is low IQ. You give her an IQ test, have her pass,

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