There is a discount of 9%on the marked price of medicines of
the pharmacy. If the pharmacy earns a profit of 30% find the marked price
the medicine on which the pharmacy gains a profit of Rs . Also find
the most price of the medicine.
(U.P. 1979, 84, 8)
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Costprice=100
Sp=130
mp = s.px 100/100-Dis
=130x100/100-9
= 130x100/91=142.86
costprice=Rs 100
m.p=Rs.142.86
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