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Question: Answered & Verified by Expert
A survey shows that 69% students like mathematics, whereas 75% like chemistry. If x% students like both the subjects, then the maximum value of x is
MathematicsSets and RelationsJEE Main
Solution:
2084 Upvotes Verified Answer
The correct answer is: 69

Let, total students in survey be 100

If mathematics is represented by m & chemistry by c, then 
nmc=x
Given, nm=69, nc=75
Now, nmc=nm+nc-nmc
=69+75x
=144x
75nmc100
75144-x100
44x69

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