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
The OA is B
Source: Princeton Review
Algebra
This topic has expert replies
GMAT/MBA Expert
- Scott@TargetTestPrep
- GMAT Instructor
- Posts: 7222
- Joined: Sat Apr 25, 2015 10:56 am
- Location: Los Angeles, CA
- Thanked: 43 times
- Followed by:29 members
Solution:
The pair of positive integers with a product of 28 could be {1, 28}, {2, 14}, and {4, 7}, with differences of 27, 12, and 3, respectively. Since 3 is the only difference given in the answer choices, choice B is the correct answer.
Answer: B
Scott Woodbury-Stewart
Founder and CEO
[email protected]
See why Target Test Prep is rated 5 out of 5 stars on BEAT the GMAT. Read our reviews