document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=4964>Question 4964</A>: <I><SPAN STYLE=\"word-break: break-all;\"> a train leaves a station and travels east at 72 km/h. Three hours later a second train leaves on a parallel track and travels east at 120 km/h. When will it overtake the first train? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #3070 by </B><A HREF=/tutors/aboutme.mpl?userid=arunpaul><B>arunpaul(104)</B></A><img src=\"/images/stars/stars-09.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=arunpaul><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=3070\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> let train A travels at speed = 72 kph<BR>\n" );
document.write( "let train  travels at speed = 120 kph<BR>\n" );
document.write( "after 3 hours 2nd train i.e B train starts\r<BR>\n" );
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document.write( "so in 3 hour train a will cross = 3*72=216 km<BR>\n" );
document.write( "the difference of speedof train A and train B = 120-72=48 kph\r<BR>\n" );
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document.write( "so to cover 216 km by the train B the time required = 216/48=4.5 hour<BR>\n" );
document.write( "so after 4 hour and 30 minutes the train B will cross train A\r<BR>\n" );
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document.write( " </SPAN>\n" );
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