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If A<Y<Z<B, is /Y-A/< /Y-B/?

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If A<Y<Z<B, is /Y-A/< /Y-B/?

by eustudent » Tue Aug 18, 2009 12:36 pm
If A<Y<Z<B, is /Y-A/< /Y-B/?

1) /Z-A/ < /Z-B/

2) /Y-A/ < /Z-B/

OA is D

I tried plugging both positive and negative values for A,Y,Z and B and I got different answers. So, I concluded that E is the answer.And my method was not time efficient.
Any ideas please?
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by tohellandback » Tue Aug 18, 2009 6:05 pm
should be D
question is whether distance between y and A is shorter than the distance between Y and B

1) distance between Z and A is shorter than that between Z and B
Y can at max be Z
so distance between Y and A will be shorter than that between Y and B

SUFF

2)Basically the same statement as 1
SUFF

Draw a number line, mark A,Y,Z and B and it will be clear.
The powers of two are bloody impolite!!
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by eustudent » Tue Aug 18, 2009 6:50 pm
thank you sir!
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