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# If x and y are positive integers, is the total number of positive

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Manager
Joined: 01 Sep 2016
Posts: 208

Kudos [?]: 184 [0], given: 33

GMAT 1: 690 Q49 V35
If x and y are positive integers, is the total number of positive [#permalink]

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19 Sep 2017, 00:14
00:00

Difficulty:

(N/A)

Question Stats:

25% (00:00) correct 75% (01:26) wrong based on 4 sessions

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If x and y are positive integers, is the total number of positive divisors of $$x^5$$ a multiple of total number of positive divisors of $$y^9$$

a) x=6
b) y=1

Kudos to correct answer and explanation. Caveat- this is a hard problem from Manhattan discussion forums( their 700 level problems on portal)
[Reveal] Spoiler: OA

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Kudos [?]: 184 [0], given: 33

Math Expert
Joined: 02 Sep 2009
Posts: 42249

Kudos [?]: 132646 [0], given: 12326

Re: If x and y are positive integers, is the total number of positive [#permalink]

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19 Sep 2017, 00:27
bkpolymers1617 wrote:
If x and y are positive integers, is the total number of positive divisors of $$x^5$$ a multiple of total number of positive divisors of $$y^9$$

a) x=6
b) y=1

Kudos to correct answer and explanation. Caveat- this is a hard problem from Manhattan discussion forums( their 700 level problems on portal)

This is very similar question to the following GMAT Club's problem: https://gmatclub.com/forum/if-x-and-y-a ... 31178.html
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Kudos [?]: 132646 [0], given: 12326

Re: If x and y are positive integers, is the total number of positive   [#permalink] 19 Sep 2017, 00:27
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