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By selling a chair for rupee's 522 , a shopkeeper makes a profit of 16 percentage what is its cost price

Posted by Pratap Singh 6 years, 2 months ago

CBSE > Class 07 > Mathematics

1 answers

Gaurav Seth 6 years, 2 months ago

Selling Price = Rs. 522

Profit % = 16 %

Cost Price = ?

We know that,

Profit = Selling Price - Cost Price

Let us assume selling price to be 'x' in this case.

=> Profit = 522 - x

Profit % = ( Profit / CP ) × 100

=> 16 % = ( 522 - x / x ) × 100

=> 16 × x = ( 522 - x ) × 100

=> 16x = 52200 - 100x

=> 100x + 16x = 52200

=> 116x = 52200

=> x = 52200 / 116

=> x = 450

2Thank You

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CBSE > Class 07 > Mathematics