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n is an integer such that 1<n<4
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15 Jul 2021, 06:01
15 Jul 2021, 06:01
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\(n\) is an integer such that \(1<n<4\)
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 |
n-1 |
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
Re: n is an integer such that 1<n<4
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15 Jul 2021, 07:24
15 Jul 2021, 07:24
1
\(1<n<4\) , where \(n\) is an integer
So \(n\) can take two values - \(2\) & \(3\)
If
\(n = 2\) :: Qt B > Qt A
\(n = 3\) :: Qt A = Qt B
Answer D
So \(n\) can take two values - \(2\) & \(3\)
If
\(n = 2\) :: Qt B > Qt A
\(n = 3\) :: Qt A = Qt B
Answer D
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Re: n is an integer such that 1<n<4
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15 Jul 2021, 08:00
15 Jul 2021, 08:00
1
Quantity A = n-1
We know that \(1<n<4\)
Subtracting 1 from all sides we get
\(1-1 < n - 1 < 4-1\)
=> \(0<n-1<3\)
that means n-1 being an integer can take only 2 values 1 and 2
Clearly, we need to know the exact value of n to answer the problem
As, in one case Quantity A < Quantity B (when n-1 = 1)
And in another Quantity A = Quantity B (when n-1 = 2)
So, answer will be D
Hope it helps!
To learn more about inequalities, watch the following video
We know that \(1<n<4\)
Subtracting 1 from all sides we get
\(1-1 < n - 1 < 4-1\)
=> \(0<n-1<3\)
that means n-1 being an integer can take only 2 values 1 and 2
Clearly, we need to know the exact value of n to answer the problem
As, in one case Quantity A < Quantity B (when n-1 = 1)
And in another Quantity A = Quantity B (when n-1 = 2)
So, answer will be D
Hope it helps!
To learn more about inequalities, watch the following video
