In a class, 60% and 68% of students passed their Physics and Mathematics examinations respectively. Then at least ________ percentage of students passed both their Physics and Mathematics examinations.
In a class, 60% and 68% of students passed their Physics and Mathematics examinations respectively. Then at least ________ percentage of students passed both their Physics and Mathematics examinations.
Entered answer:
Solution
The minimum number of students who passed Math and Physics occurs when the overlap between the two areas in the Venn diagram, representing Math and Physics, is minimized.
By analyzing the given information in a Venn diagram, we observe:
Since we are working with percentages, the total for both subjects must equal , meaning all sections of the Venn diagram should sum up to .
Hence is the minimum percentage of students that passed in both the subjects.
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IPMAT Indore 2019
