document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=519248>Question 519248</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 1st- 40% passengers from a train got down at station A, 60% of the remaining passenger got down at station B, if there were still 540 passengers in the train, how many passengers were there before station A provided no one boarded the train at station A and station B?\r<BR>\n" );
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document.write( "2nd - 60% students in school are boys find the total number of students if 120 are girls?\r<BR>\n" );
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document.write( "3rd- A company reduced the price of an article by 5% by what percent the retailer must increase the new price so as to sell the article at the old price?\r<BR>\n" );
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document.write( "4th- anubhav bought 20 pens at rs 15 & 15 pens at rs 18 per pen . he sold all the pens at 17 rs per pen<BR>\n" );
document.write( "find his gain or loss % in whole transaction?<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #345482 by </B><A HREF=/tutors/aboutme.mpl?userid=mananth><B>mananth(16946)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=mananth><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/cgi-bin/show-face.mpl?user=mananth><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=345482\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> before A -------------x\r<BR>\n" );
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document.write( "At A 40% got down<BR>\n" );
document.write( "so balance 60% remained\r<BR>\n" );
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document.write( "=0.6x\r<BR>\n" );
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document.write( "At B 60$ of 0.6x got down\r<BR>\n" );
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document.write( "0.6 *0.6x= 0.36x\r<BR>\n" );
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document.write( "Balance = 0.6x-0.36x= 0.24x balance\r<BR>\n" );
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document.write( "0.24x=540<BR>\n" );
document.write( "x=540/0.24<BR>\n" );
document.write( "=2250 before A\r<BR>\n" );
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document.write( "let total be x\r<BR>\n" );
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document.write( "60% are boys\r<BR>\n" );
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document.write( "0.6x are boys<BR>\n" );
document.write( "0.4x are girls\r<BR>\n" );
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document.write( "0.4x=120<BR>\n" );
document.write( "x=120/0.4<BR>\n" );
document.write( "x=300 total<BR>\n" );
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document.write( "4th- anubhav bought 20 pens at rs 15 & 15 pens at rs 18 per pen . he sold all the pens at 17 rs per pen<BR>\n" );
document.write( "find his gain or loss % in whole transaction?<BR>\n" );
document.write( "20 pens Rs. 15 => 15*20 = 300<BR>\n" );
document.write( "15 pens Rs. 18=> 15*18=270<BR>\n" );
document.write( "Total cost = 300+270 = 570<BR>\n" );
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document.write( "Total pens 35 sold at Rs17<BR>\n" );
document.write( "= 595\r<BR>\n" );
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document.write( "595-575= 20\r<BR>\n" );
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document.write( "he made Rs 20 profit on Rs 570 the cost price\r<BR>\n" );
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document.write( "so 100*20/570<BR>\n" );
document.write( "= 3.5 % profit on cost\r<BR>\n" );
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