Question

A Borbie doll was bought for 500 after getting a discount of 10% on the marked price. Find the marked price of the doll.

Answer 1

the marked price of doll is 450 .

Answer 2

the price of s.p of the doll = 500
the discount on the doll =10 %

then ,
the c.p of the doll doll =
$\: \: \: cp \: \: = sp \times 100 \div (100 - discount)$
500×100÷(100 -10)
500×100÷(90)
50000÷90=555.55 Rupees
the cost price of the doll is 555.55
Rupees

Hope that will make you understand.