MPSC PYQAptitudeenglish

√−4 is not a surd because ________. Which of the following reasons is incorrect?

A.it is not a root of a rational number
B.its square is not a positive number
C.it is not a real number
D.it is not an irrational number

Correct answer: A

Source paper

MPSC Assistant Preliminary Examination 2011 (Set A) (English)

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