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Mathematics 8 Online
geerky42 (geerky42):

A number that is divisible by 4, 6, and 10 must be divisible all of the following EXCEPT (A) 8 (B) 12 (C) 15 (D) 20 (E) 30 How did you figure out?

OpenStudy (lgbasallote):

find the LCM of 4,6, 10...do you know how?

geerky42 (geerky42):

is it 60? why use LCM though?

geerky42 (geerky42):

@lgbasallote

OpenStudy (lgbasallote):

because it says it is divisible by 4, 6, 10...so you find the LCM...because the LCM is divisible by all the numbers stated

OpenStudy (lgbasallote):

and yes. it's 60

OpenStudy (lgbasallote):

so which number is 60 not divisible by?

geerky42 (geerky42):

oic 8

geerky42 (geerky42):

thanks.

OpenStudy (lgbasallote):

welcome

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