Multiple choice

Which of the following sets of the number has 72 as LCM?

  1. 14, 12, 18

  2. 16, 12, 14

  3. 12, 18, 24

  4. 18, 24, 28
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C Correct answer
Explanation

12, 18, 24 Multiples of 12 = 12, 24, 36, 48, 60, 72, 84, ... Multiples of 18 = 18, 36, 54, 72, 90, ... Multiples of 24 = 24, 48, 72, 96, ..

LCM of 12, 18 and  24 = 72

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