The GMAT Avengers Challenge of the Week: Inequalities – Part 2:

by on October 21st, 2015

Happy Wednesday!

We are as excited as ever to invite you to another GMAT Avengers live session this coming weekend. Make sure you join Rahul, Pei, and the rest of the group on Saturday, Oct 10 at 11:30am EST as they take on one of algebra’s trickiest question types, namely Inequalities. Sharpen your Quant skills, increase your score, RSVP now.

In the meantime, here’s this week’s challenge problem for you to solve:

Which of the following represents the complete range of x over which x^3 - 4x^5 < 0?

(A) 0 < |x| < 1/2

(B) |x| > 1/2

(C) -1/2 < x < 0 or 1/2 < x

(D) x < -1/2 or 0 < x < 1/2

(E) x < -1/2 or x0

Let us know the answer in the comments section below! We will reveal the answer during the live Facebook session on Saturday. Make sure you RSVP now!


  • B

  • C

  • A

  • C
    When x is equal to - or + 1/2 the equation equals zero. When x is a negative value, x^3 must be greater than 4x^5 to come out with an answer that is less than 0. When x is a positive value, x^3 must be less than 4x^5 to come out with a negative answer.

    So I think C -> -1/2<x<0 and 1/2<x is the answer. What do you guys and gals think?

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