CAT Question Paper | CAT Verbal Ability Slot
Question :
Suppose one of the lab assistants accidentally mixed two patients' blood samples before they were distributed to the vials. Which of the following correctly represents the set of all possible numbers of positive test results out of the eight vials?
Started 3 months ago by Shashank in
Option B
is the correct answer.
Explanatory Answer
4 vials will definitely give us a positive result.
Patient 1 & 2 – 3 vials common and one unique each makes it 5 vials which can give us a positive result.
Patient 1 & 16 – 8 different vials which can lead to positive results
Our answer must contain 4, 5 and 8 which is only option B.
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