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14 Aug 2017, 04:36
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C
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
5%
(low)
Question Stats:
87% (00:46) correct
13%
(00:26)
wrong
based on 70
sessions
History
Date
Time
Result
Not Attempted Yet
What is the maximum number of cubic blocks of wood that will fit into a box?
(1) The edge of each block is 2 inches long.
(2) The box has the shape of a rectangular solid with inner dimensions 20 inches by 40 inches by 16 inches.
Master GMAT
(1) The edge of each block is 2 inches long.
(2) The box has the shape of a rectangular solid with inner dimensions 20 inches by 40 inches by 16 inches.
Master GMAT
14 Aug 2017, 16:55
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SajjadAhmad
Dear SajjadAhmad,
I'm happy to respond.
As I am sure you understand, this is relatively easy question. We know from the prompt that the blocks are cubes. That's important.
Statement #1 alone: we know the size of the cubes but not the size of the box. Insufficient.
Statement #2 alone: we know the size of the box but not the size of the cubes. Insufficient.
Combined: we know the exact size of the cubes and of the box, so we can calculate exactly how many cubes go into the box. We don't need to do the calculation. We have sufficient information.
OA = (C)
Does all this make sense?
Mike
14 Aug 2017, 21:28
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SajjadAhmad
Easy one
Statement 1: alone cannot give us the answer because by knowing the dimension of a cube we cannot tell the actual number of that fit into a box.
Statement 2: is also not sufficient to answer because by knowing the dimension of we cannot tell the actual no of cubes that fit into the box so knowing dimensions of the cube is necessary.
On combining S1 and S2, we get the dimensions of cube and box and hence both statements together are sufficient to answer the question
Hence C is the Answer
