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Question

A manufacturer sells an article to a wholesaler at a profit of 18% the wholesaler sells it to a retailer at a profit of 20%. The retailer sells it to a customer at a profit of 25%. If the customer pays RS30.09 for it, find the cost of the manufacturer.

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Solution

Manufactures 18% Wholesaler 20% Retails 25% bCustomer
Let cost price of manufacture be Rs.x
profit =Rs.18x100
Selling price of manufacture =Rs. 118x100= Cost price of Wholesaler
Profit =Rs. (26100×118s100)=Rs. 236x1000
Selling price of wholesaler =Rs. (118x100×236x1000)=Rs. 1416x1000
$=Cost price of retails
Profit Rs. (25100×1416x1000)=Rs. 354x1000
Selling price of retails =Rs. (1416x1000+354x1000)
=Rs. 1770x1000=Rs. 177x100
=Cost price of customer
177x100=3009100
or, x=17
Ans: Cost price of manufacture is Rs.17

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