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#### Not interested in getting valuable practice questions and articles delivered to your email? No problem, unsubscribe here.  # Given a : b is 6 : 5 and a : c is 15 : 11, what is the ratio a : b : c

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Math Expert V
Joined: 02 Sep 2009
Posts: 61385
Given a : b is 6 : 5 and a : c is 15 : 11, what is the ratio a : b : c  [#permalink]

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Difficulty:

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Question Stats: 73% (00:49) correct 27% (01:03) wrong based on 10 sessions

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Given a : b is 6 : 5 and a : c is 15 : 11, what is the ratio a : b : c?

A. 30 : 25 : 11
B. 60 : 25 : 22
C. 60 : 50 : 22
D. 60 : 50 : 11
E. 30 : 25 : 22

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e-GMAT Representative V
Joined: 04 Jan 2015
Posts: 3250
Re: Given a : b is 6 : 5 and a : c is 15 : 11, what is the ratio a : b : c  [#permalink]

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Solution

Given
In this question, we are given that
• a: b = 6: 5
• a: c = 15: 11

To find
We need to determine
• a: b: c =?

Approach and Working out
We can write the ratios as a: b = 6: 5 = 30: 25 and a: c = 15: 11 = 30: 22
• Hence, a: b: c = 30: 25: 22

Thus, option E is the correct answer.

_________________ Re: Given a : b is 6 : 5 and a : c is 15 : 11, what is the ratio a : b : c   [#permalink] 17 Jan 2020, 11:05
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# Given a : b is 6 : 5 and a : c is 15 : 11, what is the ratio a : b : c  