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Sophie, Alanna and Charlie receive their salaries every  days,  days …

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Sophie, Alanna and Charlie receive their salaries every  days,  days and  days respectively. If they all received their salaries today, how many days do they need to wait till all three receive their salary on the same day again?

  • 1 answers

Visha Chhabra 8 years, 4 months ago

Find LCM of 7,3,15 3 l 7 , 3, 15 5 l 7, 1, 5 7 l 7, 1 , 1 l 1, 1,1 LCM =3×5×7 = 15×7 =105 Answer -they have to wait for 105 days till all three receive their salary.
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