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compare quantities

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sandy
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compare quantities [#permalink] New post   25 Aug 2018, 14:56
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Quantity A
Quantity B
\(\sqrt{9}\sqrt{25}\)
\(\sqrt{15}\)


A)The quantity in Column A is greater.
B)The quantity in Column B is greater.
C)The two quantities are equal.
D)The relationship cannot be determined from the information given.
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A
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GreenlightTestPrep
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Re: compare quantities [#permalink] New post   13 Jun 2019, 16:40
sandy wrote:
Quantity A
Quantity B
\(\sqrt{9}\sqrt{25}\)
\(\sqrt{15}\)


A)The quantity in Column A is greater.
B)The quantity in Column B is greater.
C)The two quantities are equal.
D)The relationship cannot be determined from the information given.


Quantity A: \(\sqrt{9}\sqrt{25} = 3 \times 5 = 15\)
Quantity B: \(\sqrt{15}\)= 3.something

Answer: A

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piedpipr
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compare quantities [#permalink] New post   23 Dec 2021, 17:33
I am really confused here, if we account for the negative roots of \(\sqrt{9}\) and/or \(\sqrt{25}\) the answer is indeterminable, so how come the A is the correct answer. Please clarify if I'm making any silly mistake, the key in the book seems incorrect to me.
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gmatclubot
compare quantities [#permalink]
23 Dec 2021, 17:33
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