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Tricky DS inequality

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Junior | Next Rank: 30 Posts
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by amyhussein » Wed Mar 13, 2013 10:37 am
hello
i found this data suffeciency question tricky , please help me out

if L<R M<J is L<J?

a) M<R
b) L>M

and what is the technique to solve similar problems as its hard to solve for me?
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by Anju@Gurome » Wed Mar 13, 2013 10:54 am
amyhussein wrote:if L<R and M<J is L<J?

a) M<R
b) L>M
Try to visualize the situation on the number line.
On the number line, L is on the left of R and M is one the left J.

Statement 1: M is on the left of R.
The following situations are possible...
  • <----- L ---- M ---- R ---- J -----> L < J
    <----- M ---- J ---- L ---- R -----> L > J
Not sufficient

Statement 2: M is on the left of L.
The following situations are possible...
  • <----- M ---- L ---- R ---- J -----> L < J
    <----- M ---- J ---- L ---- R -----> L > J
Not sufficient

1 & 2 Together: M is on the left of both L and R.
The possibilities for statement 2 holds here.

Not sufficient

The correct answer is E.
Anju Agarwal
Quant Expert, Gurome

Backup Methods : General guide on plugging, estimation etc.
Wavy Curve Method : Solving complex inequalities in a matter of seconds.

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