168 find factors

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ern5231: Master | Next Rank: 500 Posts; Posts: 226; Joined: Sun Aug 09, 2009 4:34 am

by ern5231 » Wed Oct 07, 2009 10:18 am

N is a positive integer and 8,9,10 are factors of N. Which of the following is factor of N?

(1)16 (2) 81 (3) 225 (4) 275 (5) 360

Source: Beat The GMAT — Problem Solving | Wed Oct 07, 2009 10:18 am

xcusemeplz2009: Master | Next Rank: 500 Posts; Posts: 399; Joined: Wed Apr 15, 2009 3:48 am; Location: india; Thanked: 39 times

by xcusemeplz2009 » Wed Oct 07, 2009 10:38 am

IMO 5) 360

its actually LCM of 8,9,10

It does not matter how many times you get knocked down , but how many times you get up

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