Is quadrilateral MNPQ Rectangle?

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2011mbaspirant: Senior | Next Rank: 100 Posts; Posts: 41; Joined: Mon Mar 01, 2010 5:57 pm; Location: US; Thanked: 1 times; GMAT Score:640

Is quadrilateral MNPQ Rectangle?

by 2011mbaspirant » Sun Sep 18, 2011 11:21 am

Is quadrilateral MNPQ a rectangle?
(1) At least two of the four angles are right angles.
(2) At least three of the four angles are right angles.

[spoiler]OA is "B", why not "D"?[/spoiler]

Quote

Source: Beat The GMAT — Data Sufficiency | Sun Sep 18, 2011 11:21 am

cans: Legendary Member; Posts: 1309; Joined: Mon Apr 04, 2011 5:34 am; Location: India; Thanked: 310 times; Followed by:123 members; GMAT Score:750

by cans » Sun Sep 18, 2011 9:59 pm

A) insufficient.
|\
|_| It can be like this which is not rectangle or it can be square.

B) at least 3 angles are right angles and thus 4th is also right. (sum=360)
thus IMO B[/img]

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