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If wxyz 0, does the ratio of w to x equal the ratio of y to z?

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Bunuel
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If wxyz 0, does the ratio of w to x equal the ratio of y to z? [#permalink] New post   06 Apr 2022, 01:30
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If wxyz ≠ 0, does the ratio of w to x equal the ratio of y to z?


(1) w/y = x/z

(2) wy = xz



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Re: If wxyz 0, does the ratio of w to x equal the ratio of y to z? [#permalink] New post   06 Apr 2022, 04:22
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Question stem : w to x equal to y to z = w/x = y/z ?
(1) rearranging => w/y = x/z => w/x=y/z => SUFFICIENT
(2) wy = xz => w/x = z/y => NOT SUFFICIENT (if z=y and w=x then w/x=z/y=y/z)

Hence answer is A
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Re: If wxyz 0, does the ratio of w to x equal the ratio of y to z? [#permalink] New post   04 Jun 2023, 07:30
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Re: If wxyz 0, does the ratio of w to x equal the ratio of y to z? [#permalink]
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