Question 71
If the selling price of 40 articles is equal to the cost price of 50 articles, then the percentage loss or gain is:
Solution
Let the cost price of one article =1Rs.
So cost price of 50 article =50Rs.
As per the question it is given that selling price of 40 article = cost price of 50 article =50Rs,
So selling price of 40 article = 50Rs.
Hence selling price of one article $$=\dfrac{50}{40}=1.25$$Rs.
So, the gain amount per article $$=1.25-1=0.25Rs.$$
Hence the %gain$$=\dfrac{0.25\times100}{1}=25\%$$
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