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GRE Practice Question-If |1 - x| = 6 and |2y - 6| = 10
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30 Apr 2015, 14:44

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Question Stats:

If |1 - x| = 6 and |2y - 6| = 10, which of the following tcould be the value of xy?

Indicate ALL such values.

A) -40

B) -14

C) -10

D) 56

?????? Solve each absolute value

Indicate ALL such values.

A) -40

B) -14

C) -10

D) 56

?????? Solve each absolute value

Re: GRE Practice Question-If |1 - x| = 6 and |2y - 6| = 10
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08 Dec 2015, 09:16

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Answer: A,B,D

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Re: GRE Practice Question-If |1 - x| = 6 and |2y - 6| = 10
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09 Jun 2016, 13:41

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Osira wrote:

If |1 - x| = 6 and |2y - 6| = 10, which of the following tcould be the value of xy?

Indicate ALL such values.

A) -40

B) -14

C) -10

D) 56

Indicate ALL such values.

A) -40

B) -14

C) -10

D) 56

Given: |1 - x| = 6

So, EITHER 1 - x = 6 OR 1 - x = -6

If 1 - x = 6, then x = -5

If 1 - x = -6, then x = 7

Given: |2y - 6| = 10

So, EITHER 2y - 6 = 10 OR 2y - 6 = -10

If 2y - 6 = 10, then y = 8

If 2y - 6 = -10, then y = -2

So, let's look at all possible values of xy

xy = (-5)(8) = -40

xy = (-5)(-2) = 10

xy = (7)(8) = 56

xy = (7)(-2) = -14

Answer: A, B, D

Re: GRE Practice Question-If |1 - x| = 6 and |2y - 6| = 10
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02 Jan 2018, 15:05

1

We need more challenging questions :D

Re: GRE Practice Question-If |1 - x| = 6 and |2y - 6| = 10
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04 Jan 2018, 02:40

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Expert Reply

Coming soon

Re: GRE Practice Question-If |1 - x| = 6 and |2y - 6| = 10
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07 Jan 2018, 06:03

1

1-x=6 => x=-5 2y-6=10 => y=8

or or

1-x=-6 => x=7 2y -6=-10 => y=-2

so, xy=-40, 10, 56 or -14

or or

1-x=-6 => x=7 2y -6=-10 => y=-2

so, xy=-40, 10, 56 or -14

Re: GRE Practice Question-If |1 - x| = 6 and |2y - 6| = 10
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26 Jul 2023, 18:25

Osira wrote:

If |1 - x| = 6 and |2y - 6| = 10, which of the following tcould be the value of xy?

A) -40

B) -14

C) -10

D) 56

A) -40

B) -14

C) -10

D) 56

1-x=6

x=-5

1-x=-6

x=7

2y-6=10

y=8

2y-6=-10

y=-2

xy could be -5*8=-40, -5*-2=10, 7*8=56, 7*-2=-14

Hence, A, B, D

gmatclubot

Re: GRE Practice Question-If |1 - x| = 6 and |2y - 6| = 10 [#permalink]

26 Jul 2023, 18:25
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