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02 Feb 2024, 02:30
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B
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
25%
(medium)
Question Stats:
77% (01:05) correct
23%
(01:10)
wrong
based on 77
sessions
History
Date
Time
Result
Not Attempted Yet
The symbol ⊙ represents one of the operations: addition, subtraction, multiplication, and division. Is 2⊙2 = 4？
(1) 1⊙1 = 1
(2) (-1)⊙(-1) = 0
(1) 1⊙1 = 1
(2) (-1)⊙(-1) = 0
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Mirko92
Joined: 17 Jan 2024
Last visit: 10 Apr 2026
Posts: 28
Given Kudos: 20
Location: Peru
Schools: Duke '26 (WL) Darden '26 (WL) McCombs '26 (A$)
GMAT Focus 1: 665 Q81 V85 DI82 
GPA: 3.3
02 Feb 2024, 09:15
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Statement 1: ⊙ is division or multiplication, so insufficient.
Statement 2: ⊙ is subtraction, so sufficient.
Answer B.
Statement 2: ⊙ is subtraction, so sufficient.
Answer B.
02 Feb 2024, 19:13
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Statement (1) 1⊙1 = 1. can be multiplication (since 1*1=1) or division (since 1/1=1). (Insufficient)
Statement (2) (-1)⊙(-1) = 0 Only subtraction (-1)- (-1) =0 (Sufficient)
IMO-B
Statement (2) (-1)⊙(-1) = 0 Only subtraction (-1)- (-1) =0 (Sufficient)
IMO-B
