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QOTD#23 Which of the following could be the difference
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07 Oct 2016, 12:56
07 Oct 2016, 12:56
Expert Reply
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Question Stats:
97% (00:32) correct
2% (00:33) wrong based on 42 sessions
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Which of the following could be the difference between two positive integers whose product is 28?
A. 1
B. 3
C. 4
D. 7
E. 14
A. 1
B. 3
C. 4
D. 7
E. 14
Drill 1
Question: 8
Page: 283
Question: 8
Page: 283
Re: QOTD#23 Which of the following could be the difference
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07 Oct 2016, 12:59
07 Oct 2016, 12:59
Expert Reply
Explanation
The two positive integers must have a product of 28, so find the factor pairs of 28: 1 and 28, 2 and 14, and 4 and 7. Only choice (B) gives a possible difference: 7 − 4 = 3.
Hence Option B is the only suitable option,.
The two positive integers must have a product of 28, so find the factor pairs of 28: 1 and 28, 2 and 14, and 4 and 7. Only choice (B) gives a possible difference: 7 − 4 = 3.
Hence Option B is the only suitable option,.
gmatclubot
Re: QOTD#23 Which of the following could be the difference [#permalink]
07 Oct 2016, 12:59
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