JEE Main 2020 — Sets And Relations Question with Solution
From: JEE Main 2020 (Online) 4th September Morning Slot
Question
A survey shows that 63% of the people in a city read newspaper A whereas 76% read
newspaper B. If x% of the people read both the newspapers, then a possible value of x can be:
Choose an option
Show full solutionCorrect option: D
Correct answer
D55
Step-by-step explanation
A B = 63 - x + x + 76 - x = 139 - x
As 139 - x 100
x 39
From venn diagram, you can see x should be less than 76 and 63 otherwise only A newspaper or only B newspaper reader will be negative number.
Intersection of x 63 and x 76 is = x 63.
39 x 63
From options possible value of x = 55.
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