What is the LCM of x and 12?

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BTGmoderatorDC: Moderator; Posts: 7187; Joined: Thu Sep 07, 2017 4:43 pmFollowed by: 23 members

by BTGmoderatorDC » Sat Oct 28, 2017 2:49 am

What is the LCM of x and 12?

(1) The Least Common Multiple of x and 9 is 45?
(2) The Least Common Multiple of x and 4 is 20?

How will i find it?

OA B

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Source: Beat The GMAT — Data Sufficiency | Sat Oct 28, 2017 2:49 am

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