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GMAT Problem Solving: Roman Numeral Questions

March 7, 2014 by

Photo Credit: Charlie Gardner via Compfight cc

Photo Credit: Charlie Gardner via Compfight cc

Have you seen these problems as you study for the GMAT? You know the ones I’m talking about – they have so many components that you put up a mental block almost the second you see them. And to add insult to injury, they increase the visual clutter with Roman numerals.

What do you do when you see these questions? Do you tend to guess and move on?

We’ve got a strategy to help you master these Roman numeral questions, and we’re going to share it. However, for maximum learning value, we’re first going to have you try this practice question on your own.

Here’s a hint to help you out, though: plugging in numbers will help.

GMAT Problem Solving

Roman Numerals Question

If x, y, and z are consecutive odd integers, with x < y < z, then which of the following must be true?

I. x + y is even

II. is an integer

III. xz is even

  • A) I only
  • B) II only
  • C) III only
  • D) I and II only
  • E) I, II, and III

Put your answer in the comments. We’ll share a full explanation in an upcoming blog entry on Monday. Good luck, and happy practicing!

Edit: The explanation (with time-saving shortcut!) has been posted.

 

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