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A group consists of both men and women. The average (arithme
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sandy
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Joined: 07 Jun 2014
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GRE 1: Q167 V156
WE:Business Development (Energy and Utilities)
A group consists of both men and women. The average (arithme [#permalink] New post  29 Aug 2018, 16:15
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A group consists of both men and women. The average (arithmetic mean) height of the women is 66 inches, and the average (arithmetic mean) height of the men is 72 inches. If the average (arithmetic mean) height of all the people in the group is 70 inches, what is the ratio of women to men in the group?

(A) 1:1
(B) 1:2
(C) 2:1
(D) 2:3
(E) 3:2
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kaziselim
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Re: A group consists of both men and women. The average (arithme [#permalink] New post  07 Sep 2018, 19:22
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sandy wrote:
A group consists of both men and women. The average (arithmetic mean) height of the women is 66 inches, and the average (arithmetic mean) height of the men is 72 inches. If the average (arithmetic mean) height of all the people in the group is 70 inches, what is the ratio of women to men in the group?

(A) 1:1
(B) 1:2
(C) 2:1
(D) 2:3
(E) 3:2



It takes sec to find the ratio of the quantity using allegation method:
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NickBass
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Joined: 02 Mar 2020
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Re: A group consists of both men and women. The average (arithme [#permalink] New post  26 Mar 2020, 14:51
kaziselim wrote:
sandy wrote:
A group consists of both men and women. The average (arithmetic mean) height of the women is 66 inches, and the average (arithmetic mean) height of the men is 72 inches. If the average (arithmetic mean) height of all the people in the group is 70 inches, what is the ratio of women to men in the group?

(A) 1:1
(B) 1:2
(C) 2:1
(D) 2:3
(E) 3:2



It takes sec to find the ratio of the quantity using allegation method:


Can you please explain the allegation method?

Thanks
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