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Difficulty:
55%
(hard)
Question Stats:
49% (01:33) correct
51%
(01:25)
wrong
based on 116
sessions
History
Date
Time
Result
Not Attempted Yet
Is the slope of Line K positive ?
1) The product of the intercepts made by Line K is >= 0
2) The product of the intercepts made by Line K is <= 0
Posts: 4,475
nevilpat1
Dear nevilpat1,
A relative easy question that is not up to the standard of true GMAT DS question.
This question can very easily be dispatched simply by noting that if a line goes through the origin (0, 0), then it can have any slope. Such a line would satisfy the "equal" part of both statements, so clearly, nothing is sufficient. No conclusions can be drawn.
This question would be considerably more subtle if the "equal to" part of the inequalities were dropped, but then we would have to change one statement so that the two statements were still logical consistent with one another. It's very hard to write high quality GMAT questions.
Mike
_________________
Mike McGarry
Magoosh Test Prep
Education is not the filling of a pail, but the lighting of a fire. — William Butler Yeats (1865 – 1939)
Magoosh Test Prep
Education is not the filling of a pail, but the lighting of a fire. — William Butler Yeats (1865 – 1939)
i) 3 possibilities
1. x,y both intercepts are positive
2.x,y both intercepts are negative
3.x,y both intercepts or at least one intercept is zero
Both the positive or negative slope can go through origin (0,0).
Not sufficient!
ii) 2 possibilities
1. x,y one of them is negative
2.x,y both intercepts or at least one intercept is zero
Both the positive or negative slope can go through origin (0,0).
Not sufficient!
i+ii) Allows 0,0
Both the positive or negative slope can go through origin (0,0).
Not sufficient!
IMO Answers Answer is E
1. x,y both intercepts are positive
2.x,y both intercepts are negative
3.x,y both intercepts or at least one intercept is zero
Both the positive or negative slope can go through origin (0,0).
Not sufficient!
ii) 2 possibilities
1. x,y one of them is negative
2.x,y both intercepts or at least one intercept is zero
Both the positive or negative slope can go through origin (0,0).
Not sufficient!
i+ii) Allows 0,0
Both the positive or negative slope can go through origin (0,0).
Not sufficient!
IMO Answers Answer is E
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