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26 Apr 2019, 02:25
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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:
5%
(low)
Question Stats:
89% (00:30) correct
11%
(00:29)
wrong
based on 1378
sessions
History
Date
Time
Result
Not Attempted Yet
Is n equal to zero?
(1) The product of n and some nonzero number is 0.
(2) The sum of n and 0 is 0.
DS65602.01
OG2020 NEW QUESTION
(1) The product of n and some nonzero number is 0.
(2) The sum of n and 0 is 0.
DS65602.01
OG2020 NEW QUESTION
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26 Apr 2019, 04:22
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From S1:
n*non-zero number = 0
Means n = 0
Sufficient.
From S2:
n+0 = 0
n = 0
Sufficient.
D is the answer.
n*non-zero number = 0
Means n = 0
Sufficient.
From S2:
n+0 = 0
n = 0
Sufficient.
D is the answer.
27 Apr 2019, 06:27
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Bunuel
The original question: Is \(n=0\) ?
1) We know that \(n\cdot x=0\) and \(x\neq 0\). Since \(x\neq 0\), we can divide both sides of the previous equation by \(x\).
\(n=0\)
Thus, the answer to the original question is a definite Yes. \(\implies\) Sufficient
2) We know that \(n+0=0\), so \(n=0\). Thus, the answer to the original question is a definite Yes. \(\implies\) Sufficient
Answer: D
