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Hmmm good evening all of you I hope you are fine ok take care ​

Answer»

Now, we are given,Costing Price of 20 dozen is Rs. 140.00So, the costing price of 1 dozen is=201×140.00=7.00So, C.P = 7.00 Rs & S.P = 7.50. (For one Dozen)Now, S.P. - C.P. = 7.50 -7.00=0.50>0HE gain 0.50 Rs per dozenNow, for 20 Dozen , he gain=0.50×20=10Rs.



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