Integers

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MI3: Senior | Next Rank: 100 Posts; Posts: 83; Joined: Sat Feb 26, 2011 11:22 amFollowed by: 1 member; Thanked: 1 times

by MI3 » Sun Jul 17, 2011 2:45 am

Q. If set R contains the consecutive integers from -5 to -1, what is the mean of set R?
A. -5 B. -3 C. 0 D. 3 E. 5

IMO - B, am I correct?

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Source: Beat The GMAT — Problem Solving | Sun Jul 17, 2011 2:45 am

ikaplan: Master | Next Rank: 500 Posts; Posts: 181; Joined: Fri Sep 04, 2009 12:06 pmFollowed by: 1 member; Thanked: 17 times

by ikaplan » Sun Jul 17, 2011 2:54 am

[-5 + (-1)]/2=-3

B is correct

"Commitment is more than just wishing for the right conditions. Commitment is working with what you have."

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