document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=759782>Question 759782</A>: <I><SPAN STYLE=\"word-break: break-all;\"> One train done distance of 60km at 60km per hour. and return time same distance but speed is 40km per hoour. what is the average speed of the train? </SPAN>\n" );
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document.write( "the distanc= 60 km & speed =60 kmph<BR>\n" );
document.write( "so the time=dist/speed=60/60=1 hr<BR>\n" );
document.write( "return journey<BR>\n" );
document.write( "the distanc= 60 km & speed =40 kmph<BR>\n" );
document.write( "so the time=dist/speed=60/40=1.5 hrnow the total dist=60+60=120 km<BR>\n" );
document.write( "& total time=1+1.5=2.5 hr<BR>\n" );
document.write( "so the av speed =totaldist/total time=120/2.5=48 kmph<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );