The cost price of an item is INR 500. The manufacturer sells it to the wholesaler at a profit of 20% and the wholesaler sells it to the retailer at 30% profit and the retailer sells it to the customer at 50% profit. Find the cost price of item for the customer. 

The cost price of an item is INR 500. The manufacturer sells it to the wholesaler at a profit of 20% and the wholesaler sells it to the retailer at 30% profit and the retailer sells it to the customer at 50% profit. Find the cost price of item for the customer.  Correct Answer INR 1170

Given:

The cost price of an item is INR 500.

Calculation:

The manufacturer sells item to the wholesaler at a profit of 20%

⇒ Manufacturer sells item to the wholesaler at 120/100 × 500 = INR 600

The Wholesaler sells item to the retailer at a profit of 30%

⇒ Wholesaler sells it to the retailer at 130/100 × 600 = INR 780

The retailer sells it to the customer at a profit of 50%

⇒ Retailer sells it to the customer at 150/100 × 780 = INR 1170.

∴, cost price of item for the customer = INR 1170

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