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If the product of three integers, [i]mnk[/i] is divisible by 5, is [i]

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If the product of three integers, [i]mnk[/i] is divisible by 5, is [i] [#permalink]

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New post 12 Sep 2016, 23:56
1
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A
B
C
D
E

Difficulty:

  25% (medium)

Question Stats:

71% (00:33) correct 29% (00:43) wrong based on 85 sessions

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If the product of three integers, mnk is divisible by 5, is k a multiple of by 5?

1) mk is a multiple of 5.

2) mn is not divisible of 5.

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Re: If the product of three integers, [i]mnk[/i] is divisible by 5, is [i] [#permalink]

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New post 13 Sep 2016, 00:20
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GMATantidote wrote:
If the product of three integers, mnk is divisible by 5, is k a multiple of by 5?

1) mk is a multiple of 5.

2) mn is not divisible of 5.


The Q stem tells us that at least ONE of the m,n and k is a multiple of 5..

1) statement I tells us that at least one of m and k is a multiple of 5..
But nothing can be said about which one
Insuff

2) statement II tells us that m and n are not multiple of 5..
But we know from Q stem that at least one of m, n and k is a multiple of 5, so k has to be multiple of 5..
Suff

B
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Re: If the product of three integers, [i]mnk[/i] is divisible by 5, is [i] [#permalink]

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New post 15 Sep 2016, 17:28
I picked numbers 2,3 and 5. Answer B


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Re: If the product of three integers, [i]mnk[/i] is divisible by 5, is [i] [#permalink]

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Re: If the product of three integers, [i]mnk[/i] is divisible by 5, is [i]   [#permalink] 29 Sep 2017, 10:58
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