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In a village A, the ratio of the number of males to the number of

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Manager
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S
Joined: 18 Feb 2019
Posts: 116
Location: India
GMAT 1: 490 Q47 V13
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In a village A, the ratio of the number of males to the number of  [#permalink]

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New post 07 Mar 2019, 23:58
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A
B
C
D
E

Difficulty:

  65% (hard)

Question Stats:

47% (02:57) correct 53% (03:08) wrong based on 15 sessions

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In a village A, the ratio of the number of males to the number of females is 4:5 and the ratio of the number of males to the number of children is 3:2. In village B, the ratio of the number of children to the number of females is 2:5 and the number of males is 4 times of females. If the number of children is same in both the villages, what is the possible value of the number of males in village B?

A. 10
B. 20
C. 40
D. 80
E. None of these
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Joined: 18 Jul 2018
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Concentration: Finance, Marketing
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Re: In a village A, the ratio of the number of males to the number of  [#permalink]

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New post 08 Mar 2019, 02:00
1
Village A
M:F = 4:5......(1)
M:C = 3:2......(2)
As males are common in both equation. let's multiply (1) by 3 and (2) by 4
Then M:F:C = 12:15:8

Village B
C:F = 2:5
F:M = 5:20
M:F:C = 20:5:2

Given that children are the same in both villages.
Then multiple village B ratios by 4.
Then B ratio is 80:20:8

Males are 80 in village B.

D is the answer.
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Re: In a village A, the ratio of the number of males to the number of   [#permalink] 08 Mar 2019, 02:00
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In a village A, the ratio of the number of males to the number of

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