I- x2-729II- y -324-81A- xy D- x - yE- x - y or cannot be established

The correct option is D x ≥ yx=± 27 y=9+18=27 ∴ x ≤ y ...

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Quantitative Aptitude

Quadratic Equations

I. x2=729II. ...

Question

I. $x^{2} = 729$
II. $y - \sqrt{324} = \sqrt{81}$

x > y

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x < y

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x \leq y

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x \geq y

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x = y

or cannot be established

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Solution

The correct option is D $x \geq y$
$x = \pm 27 y = 9 + 18 = 27 ∴ x \leq y$

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I. $x^{2} - 365 = 364$

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I. x2=729 II. y−√324=√81

The correct option is D x≥yx=±27y=9+18=27∴ x≤y

I. $x^{2} = 729$
II. $y - \sqrt{324} = \sqrt{81}$

The correct option is D $x \geq y$
$x = \pm 27 y = 9 + 18 = 27 ∴ x \leq y$