1.

A man gains 20% by selling an article for a certain price. If he sells it at double the price, the percentage of profit will be.

Answer»

140 %



LET the C.P. = X,
Then S.P. = (120/100)x = 6x/5
New S.P. = 2(6x/5) = 12x/5

PROFIT = 12x/5 - x = 7x/5 

Profit% = (Profit/C.P.) * 100 
=> (7x/5) * (1/x) * 100 = 140 %



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