document.write( "Question 1123893: Ahmad brought a number of shares for Rs 1875.he reserved 15 of theme and sold remaining for Rs1740 making a profit of 4 per share on the cost price.how many share did he buy. \n" ); document.write( "

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\n" ); document.write( "Ahmad brought a number of shares for Rs 1875.he reserved 15 of theme and sold remaining for Rs1740 making a profit of 4 per share on the cost price.how many share did he buy.
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Let number of shares be S
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document.write( "Then cost of each share = 
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document.write( "Reserving 15 shares means that he had S – 15 remaining
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document.write( "Therefore, he sold each share for 
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document.write( "We then get: 
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document.write( "1,875(S – 15) = 1,740S – 4S(S – 15) ------ Multiplying by LCD, S(S – 15)
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document.write( "S(4S + 375) – 75(4S + 375) = 0
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document.write( "(S – 75)(4S + 375) = 0
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document.write( "S, or number of shares he purchased = 	      OR        S =  (ignore) \n" );
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