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02 Jun 2016, 11:56
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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:
85%
(hard)
Question Stats:
49% (02:22) correct
51%
(02:17)
wrong
based on 154
sessions
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FacelessMan
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02 Jun 2016, 13:35
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x^2 > 5^2 => x^2 > 25 => Is x > 5 or x < -5.
Statement 1 : |x+5| = 3|x - 5|, solving this will give us x = 2.5 or 10. For 2.5, the answer is No, for 10 the answer is yes. So insufficient.
Statement 2 : |x| > 3. For x = -4 the answer is No, for x = 6, the answer is Yes. So insufficient.
Combining, the only solution is x= 10, for which the answer is Yes. Hence C.
Statement 1 : |x+5| = 3|x - 5|, solving this will give us x = 2.5 or 10. For 2.5, the answer is No, for 10 the answer is yes. So insufficient.
Statement 2 : |x| > 3. For x = -4 the answer is No, for x = 6, the answer is Yes. So insufficient.
Combining, the only solution is x= 10, for which the answer is Yes. Hence C.
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05 Jun 2016, 02:54
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Bunuel
Is x^2 > 5^2 ?
(1) |x+5| = 3|x - 5|
(2) |x| > 3
(1) |x+5| = 3|x - 5|
(2) |x| > 3
Here the expression didn't tell that the number is integer.Based on available information in the question x could be in fraction,integer or decimal expression
Statement 1: According to the given statement x= 2.5 or 10 then for x=2.5, \(\sqrt{2.5}\)<\(\sqrt{5}\) and for x =10,\(\sqrt{10}\)>\(\sqrt{5}\).. [b]Not Sufficient[b]
Statement 2: According to the given information x could be 3.5,4,5,6,7,8 etc,So x<5,x=5 or x>5,for x<5 then \(\sqrt{x}\) <\(\sqrt{5}\) and for x=5 then \(\sqrt{x}\)=\(\sqrt{5}\) and for x>5 then \(\sqrt{x}\)>\(\sqrt{5}\)..[b]Not Sufficient
Combining two statements together we found that x=10,which is greater than 5.
Correct Answer C
