Vincen Legendary Member View User Profile Posts: 2898 Joined: Thu Sep 07, 2017 2:49 pm Thanked: 6 times Followed by:5 members Is the product \(abcd\) even? by Vincen » Thu May 13, 2021 6:14 am Timer 00:00 Your Answer A B C D E Global Stats Is the product \(abcd\) even? (1) \(a^2+b^2+c^2+d^2=0\) (2) \(a = b = c = d\) Answer: A Source: GMAT Club Tests Top Quote
