The Quest for 700: Weekly GMAT Challenge

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

If x is a positive integer greater than 1, what is the sum of the multiples of x from x to x2, inclusive?

(A) x(x + 1)(x – 1)

(B) x2(x + 1)/2

(C) x2(x – 1)

(D) (x3 + 2x)/2

(E) x(x – 1)2

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