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05 Jun 2019, 11:01
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Is |x| < 1 ?
(1) x^4 – 1 > 0
(2) 1 / (1- |x|) > 0
(A) Statement 1 alone is sufficient but statement 2 alone is not sufficient to answer the question asked.
(B) Statement 2 alone is sufficient but statement 1 alone is not sufficient to answer the question asked.
(C) Both statements 1 and 2 together are sufficient to answer the question but neither statement is sufficient alone.
(D) Each statement alone is sufficient to answer the question.
(E) Statements 1 and 2 are not sufficient to answer the question asked and additional data is needed to answer the statements.
OA is not available
(1) x^4 – 1 > 0
(2) 1 / (1- |x|) > 0
(A) Statement 1 alone is sufficient but statement 2 alone is not sufficient to answer the question asked.
(B) Statement 2 alone is sufficient but statement 1 alone is not sufficient to answer the question asked.
(C) Both statements 1 and 2 together are sufficient to answer the question but neither statement is sufficient alone.
(D) Each statement alone is sufficient to answer the question.
(E) Statements 1 and 2 are not sufficient to answer the question asked and additional data is needed to answer the statements.
OA is not available
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05 Jun 2019, 11:37
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IMO D
from the question
we get is -1 < x <1 ?
statement 1 can be simplified as below
(x^2-1) (x^2+1) > 0
means x^-1 > 0 because other is awlays positive
or (x-1)(x+1) >0
means x<-1 or x >1
sufficientt
stayement 2
the stemwnt is positive only when 1-|x|> 0
means |x| < 1 sufficient
IMO D
award kudos if helpful
Posted from my mobile device
from the question
we get is -1 < x <1 ?
statement 1 can be simplified as below
(x^2-1) (x^2+1) > 0
means x^-1 > 0 because other is awlays positive
or (x-1)(x+1) >0
means x<-1 or x >1
sufficientt
stayement 2
the stemwnt is positive only when 1-|x|> 0
means |x| < 1 sufficient
IMO D
award kudos if helpful
Posted from my mobile device
