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![1 - [2 - (3 - [4 - 5] + 6) + 7]](/forum/styles/gmatclub_light/imageset/icon_post_target_unread.svg "1 - [2 - (3 - [4 - 5] + 6) + 7]"){kind=icon}
08 Dec 2018, 08:55
Kudos
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D
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
15%
(low)
Question Stats:
73% (00:51) correct
27%
(00:56)
wrong
based on 1533
sessions
History
Date
Time
Result
Not Attempted Yet
1 - [2 - (3 - [4 - 5] + 6) + 7]
(A) -2
(B) 0
(C) 1
(D) 2
(E) 16
(A) -2
(B) 0
(C) 1
(D) 2
(E) 16
08 Dec 2018, 09:06
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1 - [2 - (3 - [4 - 5] + 6) + 7]
1 - [2 - (3 - [-1] + 6) + 7]=1 - [2 - (10) + 7]=1-[-1]=2
1 - [2 - (3 - [-1] + 6) + 7]=1 - [2 - (10) + 7]=1-[-1]=2
General Discussion
tapasgupta
GMAT 1: 550 Q44 V23
Posts: 115
09 Dec 2018, 00:30
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According to BODMAS, Bracket will get the first priority,
So, 4-5 = -1
Then, 3-(-1)+6 = 10
Then, 2 -(10)+7 = -1
At last, 1-(-1) = 2
Hence, D
So, 4-5 = -1
Then, 3-(-1)+6 = 10
Then, 2 -(10)+7 = -1
At last, 1-(-1) = 2
Hence, D
