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12 Sep 2018, 00:42
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D
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
75%
(hard)
Question Stats:
42% (01:46) correct
58%
(01:26)
wrong
based on 72
sessions
History
Date
Time
Result
Not Attempted Yet
A flat square piece of cardboard is to be made into a cubic open box by cutting 4 equal squares from its edges. What is the volume of the box created?
(1) The area of the cardboard piece is 144 square inches.
(2) Each of the squares that are cut from the cardboard has an area of 16 square inches.
(1) The area of the cardboard piece is 144 square inches.
(2) Each of the squares that are cut from the cardboard has an area of 16 square inches.
12 Sep 2018, 05:06
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Bunuel
Question : What is the volume of the box created?
The figure looks like as shown in figure
if the side of each face is a
the side of bigger square must be 3a
hence to answer the question we need either side of the cubic box or the side of the square cardboard
Statement 1: The area of the cardboard piece is 144 square inches.
i.e. \((3a)^2 = 144\)
i.e. \(a = 4\)
SUFFICIENT
Statement 2: Each of the squares that are cut from the cardboard has an area of 16 square inches
i.e. \((a)^2 = 16\)
i.e. \(a = 4\)
SUFFICIENT
ANswer: option D
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17 Sep 2018, 10:16
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GMATinsight
How did you take the side of a bigger square to be 3a? and also, shouldn't the complete area of the cardboard be divided by (5a)^2 as it consists of 5 squares of the same length?
