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A lady shopkeeper allows her customers $10 %$ discount on the marked price of the goods and still gets a profit of $25 % .$ What is the cost price of a fan for her marked at Rs. 1250

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Rs.950

Rs.700

Rs.934

Rs.900

answer is C.

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Detailed Solution

Given,
Marked price (MP) of the fan =Rs.1250, discount% = 10%.
Now, discount percentage is,

Discount % = Discount MP (100) ⇒ 10 = Discount 1250 (100) ⇒ Discount = 125

Now, selling price (SP) is,

SP = MP − Discount ⇒ 1250 − 125 ⇒ 1125

Thus, the cost price (CP) is,

CP = 100 × SP 100 + profit % ⇒ 100 (1125) 100 + 25 ⇒ 900

Thus, the cost price of the fan is Rs.900.
Therefore, option (3) is correct.

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