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Xyla can paint a fence in 6 hrs. Working alone, Yarba can pa

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Bunuel

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Joined: 20 May 2014

Posts: 283

Xyla can paint a fence in 6 hrs. Working alone, Yarba can pa [#permalink]

01 Oct 2017, 04:28

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Question Stats:

85% (01:16) correct

14% (01:59) wrong

based on 21 sessions

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Xyla can paint a fence in 6 hrs. Working alone, Yarba can paint the same fence in x hours. Working together they can complete the task in 2.1 hrs.

Quantity A	Quantity B
x	3

A. The quantity in Column A is greater
B. The quantity in Column B is greater
C. The two quantities are equal
D. The relationship cannot be determined from the information given

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pranab223

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Joined: 20 Apr 2016

Posts: 1307

WE:Engineering (Energy and Utilities)

Re: Xyla can paint a fence in 6 hrs. Working alone, Yarba can pa [#permalink]

01 Oct 2017, 06:13

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Bunuel wrote:

Xyla can paint a fence in 6 hrs. Working alone, Yarba can paint the same fence in x hours. Working together they can complete the task in 2.1 hrs.

Quantity A	Quantity B
x	3

We know
time taken if Xyla and Yarba work together then total time taken is given by

\(\frac{6*x}{6+x}=2.1\)

or \(x\)= 3.2

Therefore option A
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bumpbot

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Re: Xyla can paint a fence in 6 hrs. Working alone, Yarba can pa [#permalink]

08 Jul 2021, 07:07

Hello from the GRE Prep Club BumpBot!

Thanks to another GRE Prep Club member, I have just discovered this valuable topic, yet it had no discussion for over a year. I am now bumping it up - doing my job. I think you may find it valuable (esp those replies with Kudos).

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