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Anil purchases two books for Rs.100. He sells first at loss of 5% and second al 20% profit. If he gets Overall profit of 5% then what is cost of first book?

Correct Answer: 60

Explanation:

-5-----------------------5-------------------20


5-(-5) = 10


20-5= 15


Ratio of cost price of book1 and book2 = 3:2 


Then cost price of book 1 is given by


(3/5) x 100 = Rs. 60.


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