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# I am looking for PS questions that test the concept of multiple ratios

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Manager
Joined: 14 Feb 2016
Posts: 71
I am looking for PS questions that test the concept of multiple ratios  [#permalink]

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28 Dec 2018, 12:26
1
An example of such a question would be:

In a box containing action figures of the three Fates from Greek mythology, there are three figures of Clotho for every two figures of Atropos, and five figures of Clotho for every four figures of Lachesis.

a) What is the least number of action figures that could be in the box?
b) What is the ratio of Lachesis figures to Atropos figures?

Could anybody be so kind enough to link me to these types of questions? I would really like to practice them.
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Senior Manager
Joined: 15 Jan 2018
Posts: 343
Concentration: General Management, Finance
GMAT 1: 720 Q50 V37
Re: I am looking for PS questions that test the concept of multiple ratios  [#permalink]

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29 Dec 2018, 06:47
1
I would say that such questions are 600 level Ratio & Proportion questions. You'd find several of such questions in the GMAT Club Tests Quizzes. Bunuel has posted several such questions in the forum as well; please browse though the Ratio & Proportion questions.

Quickly convert the statements into proportions.
According to the question, there are three figures of Clotho for every two figures of Atropos, and five figures of Clotho for every four figures of Lachesis
Clotho/Atropos = 3/2 & Clotho/Lachesis = 5/4
So, Clotho: Atropos: Lachesis = 15: 10: 12
Therefore, the number of figures of Clotho, Atropos, and Lachesis is 15x, 10x, and 12x, where x is any positive integer.

a) What is the least number of action figures that could be in the box?
Answer: Least number of action figures is present when x=1; hence 15x + 10x + 12x = 37x = 37, when x=1

b) What is the ratio of Lachesis figures to Atropos figures?
Answer: Ratio of Lachesis figures to Atropos figures = 12:10 = 6:5
Re: I am looking for PS questions that test the concept of multiple ratios   [#permalink] 29 Dec 2018, 06:47
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