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# w – u =

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Math Expert
Joined: 02 Sep 2009
Posts: 55236
w – u =  [#permalink]

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12 Jul 2017, 23:34
00:00

Difficulty:

15% (low)

Question Stats:

95% (00:30) correct 5% (00:09) wrong based on 35 sessions

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The letters represent consecutive integers

w – u =

(A) 1
(B) 2
(C) 3
(D) 4
(E) 5

Attachment:

2017-07-13_1032.png [ 2.81 KiB | Viewed 1133 times ]

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Re: w – u =  [#permalink]

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13 Jul 2017, 00:32
Bunuel wrote:

The letters represent consecutive integers

w – u =

(A) 1
(B) 2
(C) 3
(D) 4
(E) 5

Attachment:
2017-07-13_1032.png

Since letters represent consecutive integers. So, the difference between the integers is 1.
Hence w- u = 2

Answer B
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Joined: 22 May 2016
Posts: 2755
w – u =  [#permalink]

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13 Jul 2017, 03:41
Bunuel wrote:

The letters represent consecutive integers

w – u =

(A) 1
(B) 2
(C) 3
(D) 4
(E) 5

Attachment:
2017-07-13_1032.png

Method 1 - assign values.

Let u = 2, v = 3, and w = 4.

4 - 2 = 2.

Method 2 - Intervals

Consecutive integers are an arithmetic series with a common difference of 1: x-1, x, x + 1 . . .

There are two intervals between w and u. Each interval has distance 1. (2 * 1) = 2.

Answer B
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Intern
Joined: 13 Jul 2017
Posts: 29
Re: w – u =  [#permalink]

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14 Jul 2017, 07:00
Choice:B
As per my understanding since all number integers are equally distant so no matter how big or small number we take difference will remain same so
I assign
w=4,u=2
so
w-u=4-2=2
let suppose they are two digit number
like w=14,u=12
w-u=14-12=2
again same so number wont matters only consecutive property matters
Re: w – u =   [#permalink] 14 Jul 2017, 07:00
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# w – u =

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