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Source: — Data Sufficiency |
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by selango » Tue Oct 19, 2010 9:12 pm
k=48a?

stmt1,

k=3a

k can be 3 or 48.

Insuff

stmt2,

k=8a

k can be 8 or 48.

Insuff

combining 1 and 2,

k is multiple of 3 and 8

-->k=24a

k can be 24 or 48.

Insuff

Pick E
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by frank1 » Wed Oct 20, 2010 1:50 am
IMO E
as 1 and 2 are no way sufficient
even 1+2
if we take 24 answer is no
if we take 48 answer is yes
(double case)

once we can think of 24 i think we can say its E
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