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|2-3|-|2-5||=?

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Math Revolution GMAT Instructor
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|2-3|-|2-5||=?  [#permalink]

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New post Updated on: 05 Oct 2018, 02:08
00:00
A
B
C
D
E

Difficulty:

  5% (low)

Question Stats:

88% (00:22) correct 13% (00:30) wrong based on 72 sessions

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[Math Revolution GMAT math practice question]

\(||2-3|-|2-5||=?\)

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

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Originally posted by MathRevolution on 05 Oct 2018, 00:40.
Last edited by chetan2u on 05 Oct 2018, 02:08, edited 1 time in total.
Corrected the question
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Re: |2-3|-|2-5||=?  [#permalink]

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New post 05 Oct 2018, 02:07
MathRevolution wrote:
[Math Revolution GMAT math practice question]

\(|2-3|-|2-5||=?\)

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


A mod is missing..
\(|2-3|-|2-5||=||-1|-|-3||=|1-3|=|-2|=2\)

B
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2)Combination of similar and dissimilar things : http://gmatclub.com/forum/topic215915.html
3) effects of arithmetic operations : https://gmatclub.com/forum/effects-of-arithmetic-operations-on-fractions-269413.html


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Math Revolution GMAT Instructor
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Re: |2-3|-|2-5||=?  [#permalink]

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New post 07 Oct 2018, 17:39
=>
\(||2-3| - |2-5|| = ||-1| - |-3|| = | 1 – 3 | = | -2 | = 2.\)

Therefore, the answer is B.
Answer: B
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Re: |2-3|-|2-5||=?  [#permalink]

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New post 09 Oct 2018, 09:40
MathRevolution wrote:
[Math Revolution GMAT math practice question]

\(||2-3|-|2-5||=?\)

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

|2 - 3| = |-1| = 1

|2 - 5| = |-3| = 3

Thus we have:

|1 - 3| = |-2| = 2

Answer: B
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Re: |2-3|-|2-5||=? &nbs [#permalink] 09 Oct 2018, 09:40
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