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 Post subject: Data Sufficiency (Vol. VIII), Question #104.Posted: Sat Oct 30, 2010 4:33 pm

Joined: Thu Jul 01, 2010 12:05 am
Posts: 35
This data sufficiency question presents the following situation: "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 x°, 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

The correct answer is B. I don't understand the solution pertaining to the second statement that explains how "(√2dz)/ry = dz/rz" converts into "ry = √2rz" Could you explain this relationship in more detail, please?

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 Post subject: Re: Data Sufficiency (Vol. VIII), Question #104.Posted: Mon Nov 08, 2010 10:38 am

Joined: Thu Feb 12, 2009 6:32 pm
Posts: 497
This one has been answered on the forum a couple of times. Search for 104 and you'll be able to find it.

Veritas Help

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