November 27th, 2008, 09:36 AM
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Captain
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DS factors and multiples
Form: Ask a Question
Posted by: dauntless18
Is the integer n a multiple of 140 ?
(1) n is a multiple of 10.
(2) n is a multiple of 14.
A
B
C
D
E
 
need elaborate answer
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November 28th, 2008, 09:23 AM
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Spell Caster
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IMO E..
the LCM of 10 and 14 is 70 ... so any multiple of 10 and 14 would be a multiple of 70 . not 140.
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