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For [b]non negative integers[/b] x and y, 30x = 49y. Which of the foll

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Intern
Intern
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Joined: 08 Jul 2017
Posts: 38
GMAT 1: 620 Q48 V29
For [b]non negative integers[/b] x and y, 30x = 49y. Which of the foll  [#permalink]

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New post 21 Apr 2018, 01:42
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A
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C
D
E

Difficulty:

  65% (hard)

Question Stats:

20% (02:12) correct 80% (01:17) wrong based on 5 sessions

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For non negative integers x and y, 30x = 49y. Which of the following must be true?
(1) x > y
(2) y/10 is an integer.
(3) √x/7 is an integer.

(A) I only
(B) II only
(C) III only
(D) I and II
(E) II and III

why statement 3 is not must be true.? explain please.
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Posts: 58435
Re: For [b]non negative integers[/b] x and y, 30x = 49y. Which of the foll  [#permalink]

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New post 21 Apr 2018, 01:44
GMAT Club Bot
Re: For [b]non negative integers[/b] x and y, 30x = 49y. Which of the foll   [#permalink] 21 Apr 2018, 01:44
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For [b]non negative integers[/b] x and y, 30x = 49y. Which of the foll

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