\(m = 4n + 9,\) where \(n\) is a positive integer. What is the greatest common factor of \(m\) and \(n?\)

This topic has expert replies
Legendary Member
Posts: 2898
Joined: Thu Sep 07, 2017 2:49 pm
Thanked: 6 times
Followed by:5 members

Timer

00:00

Your Answer

A

B

C

D

E

Global Stats

\(m = 4n + 9,\) where \(n\) is a positive integer. What is the greatest common factor of \(m\) and \(n?\)

(1) \(m = 9s,\) where \(s\) is a positive integer.
(2) \(n = 4t,\) where \(t\) is a positive integer.

Answer: A

Source: Manhattan GMAT
Source: — Data Sufficiency |