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Math Expert V
Joined: 02 Sep 2009
Posts: 56357
If xy ≠ 0, what is the ratio of y to x? (1) y = 3x (2) x = 11  [#permalink]

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Difficulty:   5% (low)

Question Stats: 92% (00:24) correct 8% (00:18) wrong based on 67 sessions

### HideShow timer Statistics If xy ≠ 0, what is the ratio of y to x?

(1) y = 3x

(2) x = 11

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Math Revolution GMAT Instructor V
Joined: 16 Aug 2015
Posts: 7625
GMAT 1: 760 Q51 V42 GPA: 3.82
Re: If xy ≠ 0, what is the ratio of y to x? (1) y = 3x (2) x = 11  [#permalink]

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Forget conventional ways of solving math questions. In DS, Variable approach is the easiest and quickest way to find the answer without actually solving the problem. Remember equal number of variables and independent equations ensures a solution.

If xy ≠ 0, what is the ratio of y to x?

(1) y = 3x

(2) x = 11

When one con is number and the other con is ratio, it is most likely that ratio is the answer.
For 1), y=3x -> y:x=3x:x=3:1, which is sufficient.

 from con 1) and con 2), if one of the conditions is given by numbers and the other is given by ratio (percent,fraction), then the condition with ratio (percent,fraction) value has higher chance of being the answer.
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Re: If xy ≠ 0, what is the ratio of y to x? (1) y = 3x (2) x = 11  [#permalink]

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_________________ Re: If xy ≠ 0, what is the ratio of y to x? (1) y = 3x (2) x = 11   [#permalink] 18 Aug 2018, 03:49
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# If xy ≠ 0, what is the ratio of y to x? (1) y = 3x (2) x = 11  