If for all positive integers x and y, y > x, then is y!/x! even?

This topic has expert replies
Moderator
Posts: 7187
Joined: Thu Sep 07, 2017 4:43 pm
Followed by:23 members

Timer

00:00

Your Answer

A

B

C

D

E

Global Stats

If for all positive integers x and y, y > x, then is y!/x! even?

(1) y = 13
(2) y – x = 2


OA B

Source : Princeton Review