RAVISH BOUGHT 100 ARTICLES FOR RS 4000 . HE SOLD 20 OF THEM AT A GAIN OF 5 PERCENT. AT WHAT GAIN PERCENT MUST HE SELL THE REMAINING ARTICLES SO AS TO GAIN 20 PERCENT ON THE WHOLE?

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RAVISH BOUGHT 100 ARTICLES FOR RS 4000. HE SOLD 20 OF THEM AT A GAIN OF 5 PERCENT. AT WHAT GAIN PERCENT MUST HE SELL THE REMAINING ARTICLES SO AS TO GAIN 20 PERCENT ON THE WHOLE

Answers

2016-03-07T15:22:52+05:30
CP of 1 article = 4000/100 = Rs 40
He sells 20 articles at a gain of 5%
So,
Selling Price Of Those 20 Articles = 40*20 + 40*20*5/100
                                                       =800 + 40
                                                       = Rs 840

On the whole he wants 20% profit
which means the profit he wants = 20/100   * 4000
                                                     = Rs 800

CP of 80 Articles = 80*40 = Rs 3200
From Rs 800 he already got Profit Of Rs 40 Which Means he has to get More Rs 760

P% = P/CP * 100
      = (760 / 3200) * 100
      = 23.75%

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1 5 1
2016-03-07T18:08:50+05:30
CP of 1 article = 4000/100 = Rs 40
He sells 20 articles at a gain of 5%
So,
Selling Price Of Those 20 Articles = 40*20 + 40*20*5/100
                                                       =800 + 40
                                                       = Rs 840

On the whole he wants 20% profit 
which means the profit he wants = 20/100   * 4000
                                                     = Rs 800

CP of 80 Articles = 80*40 = Rs 3200
From Rs 800 he already got Profit Of Rs 40 Which Means he has to get More Rs 760

P% = P/CP * 100
      = (760 / 3200) * 100
      = 23.75%

Hope U Understood If Not Feel Free To Ask
Mark This Brainliest if This Helped u
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