Fact: Allergies, a common condition, are much more prevalent than eczema, a skin condition. Fact: Over 90 percent of individuals with eczema also experience allergies. If the information given as facts above is true, which of the following must also be true?

Answer Choices

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(A) Eczema is a prerequisite for the development of allergies.

(B) Allergies are a prerequisite for the development of eczema.

(D) The number of people who have both of these conditions is greater than the number of people who have only one of them.

(E) The percentage of people suffering from allergies who also have eczema is lower than 90 percent.

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Explanation

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Official Explanation

Official

To analyze the facts given: we know that allergies are more common than eczema, and that over 90% of those with eczema also have allergies. This implies that the majority of eczema sufferers are included in the allergy group. Therefore, if we consider the total population, the statement that…

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Comments

TantioJan 13, 2025

thanks a lot

PrachiJan 28, 2025

thanks!

TaeikJan 5, 2024

This is definitely a test-day trap

SahanaMar 5, 2024

Thank you very much!

What this question tests

What it tests

Whether you can draw a conclusion that must follow from the stated facts.

Common trap

Choosing an option that could be true or is likely true — inference answers must be guaranteed by the passage.