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What is the value of the integer N?

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What is the value of the integer N?  [#permalink]

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New post 06 Feb 2018, 06:02
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A
B
C
D
E

Difficulty:

  35% (medium)

Question Stats:

83% (00:41) correct 17% (00:53) wrong based on 22 sessions

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Re: What is the value of the integer N?  [#permalink]

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New post 06 Feb 2018, 23:05
Bunuel wrote:
What is the value of the positive integer N?

(1) N is a multiple of 2, 3, and 6.

(2) 30 < N < 70



(1) N is a multiple of 2, 3, 6 which means N is also a multiple of the LCM of 2, 3, 6 - which is 6. So this statement tells us that N is a multiple of 6. But there is no unique value because nothing else is given. So not sufficient.

(2) N lies between 30 and 70, so it can still take 39 different values from 31, 32,... to 69. So not sufficient.

Combining the two statements, N is a multiple of 6 lying between 30 and 70. But still N could take many values like 36, 42, 48, 54, 60, 66. So not sufficient to determine a unique value of N.

Hence E answer
Re: What is the value of the integer N? &nbs [#permalink] 06 Feb 2018, 23:05
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