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Quantitative Aptitude :: Simplification - Discussion

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Choose the correct option.

In this question, A^B means A raised to power B. If x^2*y*z < 0, then which one of the following statements must also be true?
I. yz < 0
II. z < 0
III. x < 0

AI only

BIII only

CI & II only

DNone of the above

Answer: Option (Login/Signup)

Show Explanation

Solution: x^2 will always be positive no matter whatever be the value of x

So to satisfy this condition x^2*y*z < 0 => yz<0 because x^2 will always be positive.

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