Question
A shopkeeper sold two items. The selling price of the
first item equal the cost price of the second item. He sold the first item at a profit of 20% and the second item at a loss of 10%. What is his overall profit /loss percent.?Solution
                                           CP         SP 1st =20%=1/5                   5×5         6×5 2nd =-10%=-1/10              10×3       9×3                                                            55          57 P% =2/55) ×100 =40/11=3.63% Note -To equate the SP of 1st With CP of 2nd, take the LCM of 6 and 10.
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