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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 ## Cars Y and Z travel side-by-side at the same rate of speed ##### This topic has 1 expert reply and 0 member replies ### Top Member ## Cars Y and Z travel side-by-side at the same rate of speed ## Timer 00:00 ## Your Answer A B C D E ## Global Stats Difficult Cars Y and Z travel side-by-side at the same rate of speed along parallel roads as shown above. When car Y reaches point P, it forks to the left at angle xÂ°, changes speed, and continues to stay even with car Z as shown by the dotted line. The speed of car Y beyond point P is what percent of the speed of car Z? (1) The speed of car Z is 50 miles per hour. (2) x = 45 OA B Source: Veritas Prep ### GMAT/MBA Expert GMAT Instructor Joined 22 Aug 2016 Posted: 1710 messages Followed by: 28 members Upvotes: 470 Top Reply BTGmoderatorDC wrote: Cars Y and Z travel side-by-side at the same rate of speed along parallel roads as shown above. When car Y reaches point P, it forks to the left at angle xÂ°, changes speed, and continues to stay even with car Z as shown by the dotted line. The speed of car Y beyond point P is what percent of the speed of car Z? (1) The speed of car Z is 50 miles per hour. (2) x = 45 OA B Source: Veritas Prep I assume that car Y and car Z start from the same points on their respective road at the same time, else the answer would be E. Since car Y forked out at xÂº and evened out with car Z as shown in the diagram, car Y must increase its speed; compared to car Z, it traveled a greater distance. Since the question wants an answer in percent, the value of actual speed is redundant data; thus Statement 1 is insufficient. With the information that xÂº = 45Âº, we can certainly determine the proportionate length of the hypotenuse (in terms of the base) of the right-angled triangle, ie., distance from point P till the dotted line. Thus, the two speeds are comparable. Sufficient. The correct answer: B Hope this helps! -Jay _________________ Manhattan Review Locations: Manhattan Review Madhapur | GMAT Prep Kukatpally | GRE Prep Jayanagar | Tarnaka GRE Coaching | and many more... Schedule your free consultation with an experienced GMAT Prep Advisor! Click here. • Free Veritas GMAT Class Experience Lesson 1 Live Free Available with Beat the GMAT members only code • 5-Day Free Trial 5-day free, full-access trial TTP Quant Available with Beat the GMAT members only code • Get 300+ Practice Questions 25 Video lessons and 6 Webinars for FREE Available with Beat the GMAT members only code • Award-winning private GMAT tutoring Register now and save up to$200

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