Home Maths Set Theory and Relations JEE Main 2021 Out of all the patients in a hospital 89% ar…
Maths Set Theory and Relations JEE Main 2021 Single Correct MCQ
Published on: August 13, 2026

Out of all the patients in a hospital 89% are found to be suffering from heart ailment and are suffering from lungs infection. If K% of them are suffering from both ailments, then K can not belong to the set:

A
{80, 83, 86, 89}
B
{84, 86, 88, 90}
C
{79, 81, 83, 85}
D
{84, 87, 90, 93}

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The correct answer is:
C

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