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If the tick marks shown on the number line above are equally spaced an

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If the tick marks shown on the number line above are equally spaced an [#permalink]

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New post 17 Sep 2017, 03:13
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If the tick marks shown on the number line above are equally spaced and if x and y are the numbers designating the end points of an interval, as shown, what is the value of x?

(1) x = (3y)/4
(2) y = 2

[Reveal] Spoiler:
Attachment:
image003.gif
image003.gif [ 947 Bytes | Viewed 381 times ]
[Reveal] Spoiler: OA

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Kudos [?]: 133122 [0], given: 12415

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Joined: 09 Mar 2017
Posts: 159

Kudos [?]: 54 [0], given: 341

Location: India
Concentration: Marketing, Organizational Behavior
WE: Information Technology (Computer Software)
Re: If the tick marks shown on the number line above are equally spaced an [#permalink]

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New post 17 Sep 2017, 04:20
Bunuel wrote:
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If the tick marks shown on the number line above are equally spaced and if x and y are the numbers designating the end points of an interval, as shown, what is the value of x?

(1) x = (3y)/4
(2) y = 2

[Reveal] Spoiler:
Attachment:
image003.gif

There are 8 divisions. Let the total length of these 8 equally spaced divisions be 'D'
So we have ,
D/8 = |y-x| ---> Absolute sign signifies the magnitude of the length between x & y, irrespective of their signs.
Statement1: x = (3y)/4
or y= (4x) / 3
Two variables, one equation -- Not Sufficient

Statement 2: y = 2
D/8 = (x-2)
Two variables, one equation -- Not Sufficient

Combining 1 & 2 ,
substitute to get x= (3/2) ---------> You need not waste your time here to get the value because you know that this surely will give you a definite value for x.

"C" in my opinion.
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Kudos [?]: 54 [0], given: 341

Re: If the tick marks shown on the number line above are equally spaced an   [#permalink] 17 Sep 2017, 04:20
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