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(m-j) = 2(m-k) ; m > k ; m > j ; what is the average of m,j

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grad_mba
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 Q50  V37
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(m-j) = 2(m-k) ; m > k ; m > j ; what is the average of m,j [#permalink] New post   24 Mar 2007, 18:59
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A
B
C
D
E

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Hi can someone please solve the below problems with proper explanation ?

1) (m-j) = 2(m-k) ; m > k ; m > j ; what is the average of m,j,k

A) j = 30,000
B) k = 40,000


2) Ratio of women to children is 5:2. How many men are present ?

A) ratio of children to men is 5:11
B) women < 30


3) Does the line 'k' intersect quadrant 2 ?

A) slope of line k = -(1/6)
B) y intercept of line k = -6


Answers :

B
C
A



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Re: (m-j) = 2(m-k) ; m > k ; m > j ; what is the average of m,j [#permalink] New post   24 Mar 2007, 20:54
figured out the 1st two :)

one more

4) If s and t are two different #s on the number line, is s + t = 0 ?

A) distance between s and 0 is the same as distance between s and t
B) 0 is between s and 0

Still unable to figure out 3) and 4) , probably missing something trivial .. would be great if one og you guys enlighten me :)
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Re: (m-j) = 2(m-k) ; m > k ; m > j ; what is the average of m,j [#permalink] New post   24 Mar 2007, 21:36
Please check these posts for your Q2 and Q3:

https://www.gmatclub.com/phpbb/viewtopic ... ight=ratio

https://www.gmatclub.com/phpbb/viewtopic ... ht=#305147
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Re: (m-j) = 2(m-k) ; m > k ; m > j ; what is the average of m,j [#permalink] New post   24 Mar 2007, 22:21
for problem 3)

well, i got stuck in the same question, probably over thought,

for any line with a negative slope, it should intersect quadrant 2 - agreed

but only if the line extends infinitely on both directions !!

the line can entirely lay on quad4 and still have negative slope !
(any line parallel to a line with slope -1/6 )

so guess the question should have told that the line is infinite or it should have given some end points ..

since its a DS problem, i read too much into it and chose E !

any inputs on the above ?



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This topic has been closed and archived due to inactivity or violation of community quality standards. No more replies are possible here.
Where to now? Join ongoing discussions on thousands of quality questions in our Data Sufficiency (DS) Forum
Still interested in this question? Check out the "Best Topics" block above for a better discussion on this exact question, as well as several more related questions.
Thank you for understanding, and happy exploring!
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Re: (m-j) = 2(m-k) ; m > k ; m > j ; what is the average of m,j [#permalink]
24 Mar 2007, 22:21
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