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a and b are positive integers less than 10 such that
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21 Jun 2021, 06:09
21 Jun 2021, 06:09
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a and b are positive integers less than 10 such that \(2a^3=10b^2\)
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
Quantity A |
Quantity B |
a |
b |
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: a and b are positive integers less than 10 such that
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21 Jun 2021, 18:27
21 Jun 2021, 18:27
1
Carcass wrote:
a and b are positive integers less than 10 such that \(2a^3=10b^2\)
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 |
Quantity B |
a |
b |
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.
\(2a^3=10b^2\)
\(2a^3=(2)(5)b^2\)
\(a^3=5b^2\)
This is only possible when a = b = 5
i.e.
Col. A: 5
Col. B: 5
Hence, option C
Re: a and b are positive integers less than 10 such that
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29 Jul 2024, 02:15
29 Jul 2024, 02:15
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