A shopkeeper marks his goods at 40% more than their cost price and allows a discount of 25% on the marked price. His gain or loss percent is:
Let the cost price of the article =100Rs.
Now, as per the question, marked price of the goods $$=140$$
Now, price of the article after 25% discount $$\dfrac{140\times 75}{100}=3\times35=105$$
Hence $$ gain \% =\dfrac{SP-CP}{CP} =\dfrac{(105-100)\times 100}{100}=5\%$$
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