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100 points for $49 worth of Veritas practice GMATs FREE VERITAS PRACTICE GMAT EXAMS Earn 10 Points Per Post Earn 10 Points Per Thanks Earn 10 Points Per Upvote ## If x/y = c/d and d/c = b/a, which of the following must be ##### This topic has 1 expert reply and 0 member replies ### Top Member ## If x/y = c/d and d/c = b/a, which of the following must be ## Timer 00:00 ## Your Answer A B C D E ## Global Stats Difficult If x/y = c/d and d/c = b/a, which of the following must be true? I. y/x = b/a II. x/a = y/b III. y/a = x/b (A) I only (B) II only (C) I and II only (D) I and III only (E) I, II, and III OA C ### GMAT/MBA Expert GMAT Instructor Joined 25 Apr 2015 Posted: 2950 messages Followed by: 19 members Upvotes: 43 Top Reply BTGmoderatorDC wrote: If x/y = c/d and d/c = b/a, which of the following must be true? I. y/x = b/a II. x/a = y/b III. y/a = x/b (A) I only (B) II only (C) I and II only (D) I and III only (E) I, II, and III OA C We can use some convenient numbers: x = 2, y = 3 c = 4, d = 6 b = 12, a = 8 Now we can analyze each Roman numeral: I. 3/2 = 12/8 ? 3/2 = 3/2 â†' I is true. II. 2/8 = 3/12 ? 1/4 = 1/4 â†' II is true. III. 3/8 = 2/12 ? 3/8 â‰ 1/6 â†' III is not True. Answer: C _________________ Scott Woodbury-Stewart Founder and CEO scott@targettestprep.com See why Target Test Prep is rated 5 out of 5 stars on BEAT the GMAT. Read our reviews • Award-winning private GMAT tutoring Register now and save up to$200

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