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From: joe@petsd.UUCP (Joe Orost)
Newsgroups: net.puzzle,net.jokes
Subject: Re: a good interview question (the solution)
Message-ID: <463@petsd.UUCP>
Date: Fri, 8-Mar-85 16:23:29 EST
Article-I.D.: petsd.463
Posted: Fri Mar  8 16:23:29 1985
Date-Received: Sun, 10-Mar-85 05:04:26 EST
References: <302@ssc-bee.UUCP>
Reply-To: joe@petsd.UUCP (PUT YOUR NAME HERE)
Followup-To: net.puzzle
Organization: Perkin-Elmer DSG, Tinton Falls, N.J.
Lines: 20
Xref: watmath net.puzzle:580 net.jokes:11266
Summary: 

Distribution:
Organization: Perkin-Elmer DSG, Tinton Falls, N.J.
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In article <302@ssc-bee.UUCP> thill@ssc-bee.UUCP (Tom Hill) writes:
>	You have to travel from town A. to town B.   The distance
>	between the two towns is 2 miles.  If you drive 30 mph for the
>	first mile, how fast do you have to drive the second mile in
>	order to average 60 mph?
>
>It can be tricky if you don't think about it.

Your right about that.  I thought about it and here is the answer:

	It can't be done.

Explanation: In order to average 60 mph, you must travel 1 mile in 1 minute.
Therefore, you must travel the 2 miles in 2 minutes.  But, you have already
taken 2 minutes to travel the first mile, so even if you go "faster than
greased lightning" in the second mile, you won't make the 60mph average.