stop@800 Legendary Member View User Profile Posts: 871 Joined: Wed Aug 13, 2008 7:48 am Thanked: 48 times PS: SD Difficult one by stop@800 » Fri Sep 26, 2008 12:48 pm { -7 -5 -3 M 0 1 3 K 7 } M -ve integer K +ve integer What could be SD for this set? I -1.5 II -2 III 0 A: I only B: II only C: III only D: I and III only E: None www.interrogationpoint.com Top Quote