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X or Y
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17 Mar 2021, 07:15
17 Mar 2021, 07:15
Expert Reply
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Question Stats:
97% (00:39) correct
2% (00:27) wrong based on 38 sessions
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Attachment:
GRE x or y.jpg [ 13.86 KiB | Viewed 3043 times ]
Quantity A |
Quantity B |
x |
y |
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.
Kudos for the right answer and explanation
Question part of the project GRE Quantitative Reasoning Daily Challenge - (2021) EDITION
GRE - Math Book
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Re: X or Y
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17 Mar 2021, 07:33
17 Mar 2021, 07:33
1
Carcass wrote:
Attachment:
GRE x or y.jpg
Quantity A |
Quantity B |
x |
y |
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.
Col. A: \(\sqrt{4^2 + 5^2}\)
Col. B: \(\sqrt{7^2 - 3^2}\)
Col. A: \(\sqrt{41}\)
Col. B: \(\sqrt{40}\)
Hence, option A
Re: X or Y
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17 Mar 2021, 07:35
17 Mar 2021, 07:35
1
This can be solved by using Pythagoras theorem
Qt A
\(x^2 = 5^2 + 4^2\)
\(x^2\) = 41
Qt B
\(y^2 + 3^2 = 7^2\)
\(y^2\) = 49 - 9 = 40
Qt A > Qt B
Answer A
Qt A
\(x^2 = 5^2 + 4^2\)
\(x^2\) = 41
Qt B
\(y^2 + 3^2 = 7^2\)
\(y^2\) = 49 - 9 = 40
Qt A > Qt B
Answer A
