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Divisible by 6?

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Source: — Data Sufficiency |
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by agarwalva » Wed May 23, 2012 12:31 pm
Please can you post your explanation.. or reply if I am inline with what you think


X+Y = 6k ?

I. X+4y = even
hence X is even
also Y = (even - X)/4
Y = even/4
Y = 1, 2 , 3 ,4 .... any integer
Insufficient

II. YX is divisible by 3
YX = 12 , 15 , 18 .....
Insufficient

I and II
YX = 12 , 18 , 24 , 36 , 54 (where X is even , positive integer)
Insufficient

hence IMO E
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