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Joe Komagawa
Average Member

Japan
11 Posts

 Posted - 12/01/2013 :  00:00:01 GMAT-the official guide, #131In the sequence X0, X1,X2,X3....Xn each term from X1, to Xk is 3 greater than the previous term, and each term from Xk+1 to Xn is 3 less than the previous term, where N and K are positive integers and k

Joe Komagawa
Average Member

Japan
11 Posts

 Posted - 12/01/2013 :  00:27:05 sorry, a) 5, B) 6, C) 9, D) 10, E) 15, answer is D
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