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The product of two integers is 40. Which of the following CANNOT be the sum of these two integers?

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Re: The product of two integers is 40. Which of the following CANNOT be the sum of these two integers?

by Brent@GMATPrepNow » Fri Jul 31, 2020 8:53 am
BTGModeratorVI wrote: ↑
Wed Jul 29, 2020 2:45 pm
 The product of two integers is 40. Which of the following CANNOT be the sum of these two integers?

(A) -41
(B) -14
(C) 3
(D) 13
(E) 14

Answer: C
Source: Magoosh
Let's examine PAIRS of values with a product of 40

-1 and -40 add to -41 ELIMINATE A
-2 and -20 add to -22 no options to eliminate
-4 and -10 add to -14 ELIMINATE B
4 and 10 add to 14 ELIMINATE E
5 and 8 add to 13 ELIMINATE D

By the process of elimination, the correct answer is C

Cheers,
Brent
Brent Hanneson - Creator of GMATPrepNow.com
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