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01 Nov 2018, 05:01
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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:
5%
(low)
Question Stats:
96% (00:21) correct
4%
(00:21)
wrong
based on 249
sessions
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Time
Result
Not Attempted Yet
Is a = 0?
(1) ab = 0
(2) \(a^2 = 0\)
(1) ab = 0
(2) \(a^2 = 0\)
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Data Sufficiency Forum
01 Nov 2018, 05:43
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Stmt 1: a can be 0 or b can be 0, Hence Insuff. Eliminate A,D
Stmt 2: a has to be 0, Suff
Hence Option B
Stmt 2: a has to be 0, Suff
Hence Option B
01 Dec 2018, 13:24
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carcass
Stmt 1:
Don't know anything about B. Not sufficient!
Stmt 2:
a = 0. Sufficient!
Therefore, Ans = B
