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# If y > 0 and x is 2k percent of y, then, in terms of y, k is what perc

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Math Expert
Joined: 02 Sep 2009
Posts: 61396
If y > 0 and x is 2k percent of y, then, in terms of y, k is what perc  [#permalink]

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21 Aug 2019, 01:08
00:00

Difficulty:

45% (medium)

Question Stats:

56% (00:53) correct 44% (01:58) wrong based on 17 sessions

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If y > 0 and x is 2k percent of y, then, in terms of y, k is what percent of x?

A. 50y
B. 1/(50y)
C. 2/y
D. 50/y
E. 5000/y

_________________
Math Expert
Joined: 02 Sep 2009
Posts: 61396
Re: If y > 0 and x is 2k percent of y, then, in terms of y, k is what perc  [#permalink]

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21 Aug 2019, 01:10
Bunuel wrote:
If y > 0 and x is 2k percent of y, then, in terms of y, k is what percent of x?

A. 50y
B. 1/(50y)
C. 2/y
D. 50/y
E. 5000/y

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Joined: 03 Jun 2019
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Location: India
GMAT 1: 690 Q50 V34
WE: Engineering (Transportation)
Re: If y > 0 and x is 2k percent of y, then, in terms of y, k is what perc  [#permalink]

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21 Aug 2019, 01:16
Bunuel wrote:
If y > 0 and x is 2k percent of y, then, in terms of y, k is what percent of x?

A. 50y
B. 1/(50y)
C. 2/y
D. 50/y
E. 5000/y

Given:
1. y > 0
2. x is 2k percent of y

Asked: In terms of y, k is what percent of x?

x = 2k % * y = 2ky/100
k = 100x/2y = 50x/y = (5000/y) x%

IMO E
Re: If y > 0 and x is 2k percent of y, then, in terms of y, k is what perc   [#permalink] 21 Aug 2019, 01:16
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