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Question

At 12% discount, the selling price of a pen is Rs. 13.20. Find its marked price. Also, find the new selling price of the pen, if it is sold at 5% discount.


Solution

Let marked price = Rs. 100x
Discount = 12%
S.P.=100x(10012)100=100x×88100=88x
According to statement, 
88x = 13.20
x=13.2088=132088×100=30200=320
Marked price 100x=100×320=Rs.15
New S.P. = 15×95100  [ discount = 5%]
= 15×1920=3×194=574 = Rs. 14.25


Mathematics
Concise Mathematics
Standard VIII

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