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

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by Max@Math Revolution » Fri Oct 05, 2018 12:20 am

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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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Source: — Problem Solving |

by chetan.sharma » Fri Oct 05, 2018 4:53 am
Max@Math Revolution wrote:[Math Revolution GMAT math practice question]

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

A. 1
B. 2
C. 3
D. 4
E. 5
Straight forward..
||2-3|-|2-5||=||-1|-|-3||=|1-3|=2

[spoiler]B
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by Brent@GMATPrepNow » Fri Oct 05, 2018 5:17 am
Max@Math Revolution wrote:[Math Revolution GMAT math practice question]

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

A. 1
B. 2
C. 3
D. 4
E. 5
||2-3|-|2-5|| = ||-1|-|-3||
= |1-3||
= |-2|
= 2

Answer: B

Cheers,
Brent
Brent Hanneson - Creator of GMATPrepNow.com
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by Max@Math Revolution » Sun Oct 07, 2018 5:22 pm
=>
||2-3| - |2-5|| = ||-1| - |-3|| = | 1 - 3 | = | -2 | = 2.

Therefore, the answer is B.
Answer: B
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by Scott@TargetTestPrep » Tue Oct 09, 2018 9:36 am
Max@Math Revolution 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

Scott Woodbury-Stewart
Founder and CEO
[email protected]

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