document.write( "Question 195058: Respected sir,
\n" ); document.write( " 1] A man gains 10% by selling an article for a certain price.If he sells it at double the price,the profit made is ?\r
\n" ); document.write( "\n" ); document.write( "plz help me as soon as possible...\r
\n" ); document.write( "\n" ); document.write( "thank u. \n" ); document.write( "
Algebra.Com's Answer #146654 by anantha(86)\"\" \"About 
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sol:
\n" ); document.write( "let the cost price of an article be 100 rs
\n" ); document.write( "selling price of an article be x rs
\n" ); document.write( "gain%=10%
\n" ); document.write( "gain% (or) profit%= (profit/c.p)*100
\n" ); document.write( "profit=selling price-cost price
\n" ); document.write( " = x-100
\n" ); document.write( "substitute this value in the above formula
\n" ); document.write( "profit%=(x-100)
\n" ); document.write( " ------- * 100
\n" ); document.write( " 100
\n" ); document.write( " =x-100
\n" ); document.write( "according to the problem profit% is 10%
\n" ); document.write( "10=x-100
\n" ); document.write( "adding 100 on both sides
\n" ); document.write( "10+100=x-100+100
\n" ); document.write( "x=110
\n" ); document.write( "selling price of an article=110
\n" ); document.write( "according to the problem double the selling price=2*110=220
\n" ); document.write( "profit=selling price-cost price
\n" ); document.write( "profit=220-100=120
\n" ); document.write( "double the selling price profit=120 rs\r
\n" ); document.write( "\n" ); document.write( " \n" ); document.write( "
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