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Source: — Problem Solving |

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by Brent@GMATPrepNow » Mon Nov 30, 2015 7:57 am
What are the 5 answer choices (that accompany all GMAT questions)?

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by Brent@GMATPrepNow » Mon Nov 30, 2015 7:57 am
jai123oct wrote:if 64^x=48^y=36^z ; then what is the possible relation between x,y,z

how to solve this in 2 min and whats the best possible way out .

Thanks

Jai.
Here's one: x = y = z = 0

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by jai123oct » Mon Nov 30, 2015 8:14 am
Thank you for the choice one ; sorry i don't actually remember the choices ;

but all the answer choices had a linear relation between X, y, z .

i could write the question in a smiple form :

THE QUESTION CAN BE WRITTEN AS BELOW

64^x=48^y=36^z

(2*2*2*2*2)raise to power X = (2*2*2*2*3)RAISE TO POWER Y = (2*2*3*3) raise to power z


All the answer choices had some algebraic relations between x, y,z ; if you can just help me about how to derive one it would be helpfull.

thank you

jai.
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by [email protected] » Mon Nov 30, 2015 7:27 pm
Hi jai123oct,

Did this question come from a GMAT 'source' or a general math 'source?' The 5 answers are important to have because they can sometimes provide pivotal information that can help you to answer the question quickly or avoid some possible math steps if you were to attempt a longer 'technical' approach to solving it. If you're studying for the GMAT, then you really should focus on GMAT-centric practice materials.

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