A cloth merchant buys cloth from a weaver and cheats him by using a scale which is 10 cm longer than a normal metre scale. He claims to sell clot at the cost price to his customers, but while selling uses a scale which is 10 cm shorter than a normal metre scale.what is his gain in percentage?
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Answer: 20%
Step-by-step explanation: let the length of cloth = 100 cm
Then, length of cloth purchased = 110 cm
And length of cloth sold = 90cm
Therefore Gain% = ((110-90)/100) x 100
= (20/100)x100
= 20%
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