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Two water storage tanks, Tank A and Tank B, can each hold more than 20

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Two water storage tanks, Tank A and Tank B, can each hold more than 20  [#permalink]

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New post 06 Dec 2019, 06:38
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Question # 67, Date : 06-Dec-2019
This post is a part of Project IR Butler 2019-20. Click here for Details


Two water storage tanks, Tank A and Tank B, can each hold more than 20,000 liters of water. Currently, Tank A contains 5,000 liters of water, while Tank B contains 8,000 liters. Each tank is being filled at a constant rate, such that in 15 hours, the two tanks will contain the same amount of water, though neither will be full.

In the table below, identify rates of filling for each tank that are together consistent with the information. Make only one selection in each column.

Tank A fill rateTank B fill rateValues
30 liters/hr
90 liters/hr
150 liters/hr
220 liters/hr
290 liters/hr


Spoiler: :: OA
Tank A fill rateTank B fill rateValues
30 liters/hr
Tick90 liters/hr
150 liters/hr
220 liters/hr
Tick290 liters/hr

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Re: Two water storage tanks, Tank A and Tank B, can each hold more than 20  [#permalink]

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New post 06 Dec 2019, 07:26
2
5000+ 15x = 15y+ 8000

x-y= 200

So B is 90
A = 290

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Re: Two water storage tanks, Tank A and Tank B, can each hold more than 20  [#permalink]

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New post 26 Feb 2020, 11:29
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Re: Two water storage tanks, Tank A and Tank B, can each hold more than 20   [#permalink] 26 Feb 2020, 11:29
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Two water storage tanks, Tank A and Tank B, can each hold more than 20

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