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Source: — Data Sufficiency |
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by jayhawk2001 » Sun Apr 29, 2007 9:06 pm
1/2 * 2/3 * 3/4 * ... * 9/10 * 10/11 = 1/11

Hence B
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by dunkin77 » Sun Apr 29, 2007 9:43 pm
Sorry! I think I posted the wrong file.....

Can you look at the FIRST one ?
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by f2001290 » Wed May 02, 2007 4:13 am
1. insufficient . We cannot calculate x/yz.

x/yz = 5/4x.

2. sufficent. Multiply both the frations.
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by dunkin77 » Wed May 02, 2007 4:22 am
Ok... what I did for 1) was...

x/yx

x=y/2 y=2x
z=2x/5

apply these to 1)

x/2x*2x/5

5/4...
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