The Quest for 700: Weekly GMAT Challenge

Each week Manhattan GMAT posts a 700 level GMAT question on our blog and follows up with the answer the next day. Are you up for the challenge?

The sum of the first n positive perfect squares, where n is a positive integer, is given by the formula n3/3 + cn2 + n/6, where c is a constant. What is the sum of the first 15 positive perfect squares?

(A) 1,010

(B) 1,164

(C) 1,240

(D) 1,316

(E) 1,476

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