CAT 2021 Question Paper | CAT Verbal Ability Slot 2
Question :
For all real numbers x the condition |3x - 20| + |3x - 40| = 20 necessarily holds if
Started 3 months ago by Shashank in
Option B
is the correct answer.
Explanatory Answer
|3x-20| + |3x-40| = 20
If we put x=6
2+22 does not satisfy
If we put x=14
22+2 does not satisfy
à Option A, C, D can be eliminated
Hence, 7<x<12
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