A tradesman defrauds to the extent of 10% in buying goods and also defrauds to the extent of 10% in
selling. His gain per cent is
1) 21% gain
(2) 19% gain
(3) 20% gain (4) 22% gain (5) None of these
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Answer:
As per the given question ,
Gain percent = {( 100 + 10 )/100 × ( 100 + 10 ) - 100 } %
Gain percent = [ 110/100× 110 - 100 ] %
Gain percent = (121 – 100)% = 21 percent
Step-by-step explanation:
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