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August 2nd, 2019, 01:37 AM  #1 
Senior Member Joined: Aug 2014 From: India Posts: 476 Thanks: 1  What is the total gain of the trader?
A trader marked his goods at 20% above CP of rs 245346. He sold half of the stock at MP & one quarter at discount of 20% on MP and rest is at discount 40% on MP. Find total gain? Sol: CP 100 corresponds to MP 120 50 corresponds to 60 25 corresponds to 24 25 corresponds to 18 100 corresponds to 102 Profit 2% Please explain the solution. Last edited by Ganesh Ujwal; August 2nd, 2019 at 02:12 AM. 
August 2nd, 2019, 05:20 AM  #2 
Global Moderator Joined: Dec 2006 Posts: 21,028 Thanks: 2259 
If the goods were all sold at 120% of CP, no addition would be needed  one could just say that the overall profit was 20%. The solution gives a breakdown corresponding to the various selling prices of the goods: 50% of 120 is 60 25% of (100  20)% of 120 is 24 25% of (100  40)% of 120 is 18 The total revenue is 102% of combined CP, so the overall profit is 2%. The problem statement contains two ambiguities  it doesn't state whether the "total gain" relates to all the goods or just those that are stated to have been sold, and it doesn't state whether the answer can be given as a profit percentage. 

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