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What is the value of |x y|? (1) The product of x and y is 5.
[#permalink]
12 Nov 2023, 09:59
12 Nov 2023, 09:59
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28%
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What is the value of |x – y|?
(1) The product of x and y is 5.
(2) x and y are integers.
(1) The product of x and y is 5.
(2) x and y are integers.
Re: What is the value of |x y|? (1) The product of x and y is 5.
[#permalink]
13 Nov 2023, 04:50
13 Nov 2023, 04:50
2
Kudos
Option C.
(1) We do not know whether x and y are integers. Hence, there are infinite possibilities --> Insufficient.
(2) We do not know the values of x and y -- Insufficient.
Combined:
We know that xy = 5 and x & y are integers. So the possibilities are:
x = 5 and y = 1; x = 1 and y = 5; x = -1 and y = -5; x = -5 and y = -1. For all of them |x - y| = 4. Hence, the answer is (C).
(1) We do not know whether x and y are integers. Hence, there are infinite possibilities --> Insufficient.
(2) We do not know the values of x and y -- Insufficient.
Combined:
We know that xy = 5 and x & y are integers. So the possibilities are:
x = 5 and y = 1; x = 1 and y = 5; x = -1 and y = -5; x = -5 and y = -1. For all of them |x - y| = 4. Hence, the answer is (C).
gmatclubot
Re: What is the value of |x y|? (1) The product of x and y is 5. [#permalink]
13 Nov 2023, 04:50
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