Questions about the world of GRE Math from other sources and general math related questions.
mahinur.alam
Students
 
Posts: 1
Joined: Tue Oct 29, 2013 11:46 am
 

500 GRE Math Flash Cards

by mahinur.alam Thu Dec 26, 2013 10:41 pm

Hello friends! I found the following in 500 GRE Math Flash Cards: x is divisible by 42. Which of the following numbers is definitely a factor of x-squared? chose ALL that apply. (A) 63, (B)33, (C) 36, (D) 8, (E) 42. The answers provided by the book were (A) 63, (C) 36. Can anyone argue why 42 is not an answer as well?
tommywallach
Manhattan Prep Staff
 
Posts: 1917
Joined: Thu Mar 31, 2011 11:18 am
 

Re: 500 GRE Math Flash Cards

by tommywallach Tue Dec 31, 2013 6:22 pm

Do we have GRE Flash cards? Are these our cards somehow? Because that question is wrong.

-t