Question Bank - General Aptitude

Here's the question bank on all the general aptitude topics.

Which hospital reported highest negative blood group?

A.
Hospital Y
B.
Hospital X
C.
Hospital Z
D.
Hospital W

Solution:

HospitalHospitalHospitalHospitalHospitalTotalReported Blood groupWXYZ (1000)(500)(1000)(500)(3000)A Positive300150350100900B Positive350100300100850A Negative1505015050400B Negative1005050150350Calculation:Negative samples from hospital W(A Negative + B Negative) = 150 + 100 = 250Negative samples from hospital X(A Negative + B Negative) = 50 + 50 = 100Negative samples from hospital Y(A Negative + B Negative) = 150 + 50 = 200Negative samples from hospital Z(A Negative + B Negative) = 50 + 150 = 200? Hospital which reported highest negative blood group is W.

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