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The length, width, and depth of a rectangular box are 6 feet, 5 feet,

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The length, width, and depth of a rectangular box are 6 feet, 5 feet,  [#permalink]

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New post 09 Oct 2018, 01:04
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The length, width, and depth of a rectangular box are 6 feet, 5 feet, and 7 feet, respectively. A hose supplies water at a rate of 6 cubic feet per minute. How much time in minutes would it take to fill a conical box whose volume is three times the volume of the rectangle box?

(A) 105

(B) 125

(C) 205

(D) 235

(E) 322

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Re: The length, width, and depth of a rectangular box are 6 feet, 5 feet,  [#permalink]

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New post 09 Oct 2018, 01:13
Bunuel wrote:
The length, width, and depth of a rectangular box are 6 feet, 5 feet, and 7 feet, respectively. A hose supplies water at a rate of 6 cubic feet per minute. How much time in minutes would it take to fill a conical box whose volume is three times the volume of the rectangle box?

(A) 105

(B) 125

(C) 205

(D) 235

(E) 322




Volume of the box = 5*7*6 = 210

But we are asked about a box 3x greater than this one.

3*210 = 630


it takes a minute to fill up 6 cubic centi meter .

630 / 6 = 105.


A is the best answer.
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Re: The length, width, and depth of a rectangular box are 6 feet, 5 feet,   [#permalink] 09 Oct 2018, 01:13
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The length, width, and depth of a rectangular box are 6 feet, 5 feet,

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