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31 #33

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31 #33

by magical cook » Sun Aug 19, 2007 11:50 am
Hi,

Can anyone help with this?

Thanks.
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by ratindasgupta » Sun Aug 19, 2007 9:42 pm
we can modify the question into - what is the value of x + y / xy?

1) gives us the value of x + y only. INSUFF

2) cross multiplication gives us x + y / xy = 6 SUFF

Answer is B
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