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21 Feb 2019, 23:40
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C
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
45%
(medium)
Question Stats:
64% (01:24) correct
36%
(01:26)
wrong
based on 144
sessions
History
Date
Time
Result
Not Attempted Yet
22 Feb 2019, 01:25
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divyadamahe
Question: Is 5x − 25 odd?
For 5x-25 to be odd, x must be even
Question REPHRASED: Is x even?
Statement 1: (x+2)(x−3)= 0
i.e. x = -2 or 3 i.e. x may be even and odd both hence
NOT SUFFICIENT
Statement 2: x is not a factor of 10.
i.e. x may be 4 or 7 both hence i.e. x may be even and odd both hence
NOT SUFFICIENT
Combining both statements
x = -2 or 3 and both values of x are not factors of 10 and x may still be even or odd hence
NOT SUFFICIENT
Answer: Option E
divyadamahe The answer of this question should be E as explained above.
22 Feb 2019, 14:05
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I'm getting E as well. Can someone explain how C is correct?
