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If the product of two distinct integers is 91, then which of the follo

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Bunuel
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If the product of two distinct integers is 91, then which of the follo [#permalink] New post   21 Jul 2021, 04:15
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If the product of two distinct integers is 91, then which of the following could be the sum of the two integers?

I. −92
II. 13
III. 20

A. I only
B. II only
C. III only
D. I and III only
E. I, II, and III
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D
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MathRevolution
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Re: If the product of two distinct integers is 91, then which of the follo [#permalink] New post   21 Jul 2021, 06:27
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The product of two integers is 91

=> 7 * 13 = 91 - sum = 7 + 13 = 20
=> (-7) * (-13) = 91 - sum = -7 - 13 = -20
=> 1 * 91 = 91 - sum = 1 + 91 = 92
=> (-1) * (-91) = 91 - sum = -1 - 91 = -92

Only options I and III are possible.
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Re: If the product of two distinct integers is 91, then which of the follo [#permalink] New post   21 Jul 2021, 21:11
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I and III only. Is there any mistakes in Answer choices?
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Re: If the product of two distinct integers is 91, then which of the follo [#permalink] New post   21 Jul 2021, 23:11
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phuongtth4 wrote:
I and III only. Is there any mistakes in Answer choices?


Yes, there was a typo. Edited. Thank you!
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divyanshds
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Re: If the product of two distinct integers is 91, then which of the follo [#permalink] New post   27 Jul 2021, 00:05
take odd-even approach here that would be faster
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Re: If the product of two distinct integers is 91, then which of the follo [#permalink]
27 Jul 2021, 00:05
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