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GMAT PREP - LCM

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Source: — Data Sufficiency |
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by kajcha » Fri Sep 21, 2007 11:43 am
Should be C

Stmt 1 - Nos can be 10 and 20 OR 20 and 30. Products are different NOT SUFF

Stmt 2 - LCM is 180 so product can be 180, 360 NOT SUFF

together we know that product of nos = GCF*LCM. So SUFF
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by raulverde » Fri Sep 21, 2007 12:06 pm
Kajcha,

product of nos = GCF*LCM.

Is this rule stated in the official guide ?
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by camitava » Sat Sep 22, 2007 1:15 am
Kajcha,

product of nos = GCF*LCM.

Is this rule stated in the official guide ?
Hey raulverde - This is the rule of basic math. So u need not have to take care whather it is defined in official guide or not. But the stmt - product of two number = Their LCM * Their GCM - is a universal truth u can say! :wink: :D
Correct me If I am wrong


Regards,

Amitava
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by kajcha » Sat Sep 22, 2007 2:47 am
I agree. This is numbers' properties.
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