BREAKING: Target Test Prep releases Brand New 2026 On Demand GMAT prep course

Redeem

Sequence

This topic has expert replies
Post new topic Post Reply
Previous Topic Next Topic
Senior | Next Rank: 100 Posts
Posts: 73
Joined: Tue Sep 16, 2008 4:33 pm
Thanked: 2 times

Sequence

by relaxin99 » Thu Feb 26, 2009 5:22 pm
The sequence a1, a2, a3......an of n integers is such that ak = - a (k-1) if k is even. Is the sum of the terms in the sequence positive?

(1) n is odd
(2) a(n ) is positive
Top
Source: — Data Sufficiency |
Legendary Member
Posts: 2467
Joined: Thu Aug 28, 2008 6:14 pm
Thanked: 331 times
Followed by:11 members

by cramya » Thu Feb 26, 2009 5:34 pm
Please post the complete question.

Here;s the right one.

https://www.manhattangmat.com/forums/post17269.html
Top
Post new topic Post Reply
• Page 1 of 1