The cost price of item B is Rs 200 more than the cost price of item A Item A was sold at a profit of...........

Quantitative Aptitude ( CCS) Profit and loss

The cost price of item B is Rs. 200/- more than the cost price of item A. Item A was sold at a profit of 20% and item B was sold at a loss of 30%. If the respective ratio of selling prices of items A and B is 6 : 7, what is the cost price of item B?

Rs520

Rs430

Rs400

Rs360

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Explanation:

Let the CP of item A be x
CP of item B is x+200.
(120/100*x)/(x+200)*70/100 =6/7
120x/(x+200)*70=6/7
20x/10(x+200)=1
X=Rs200.
CP of item B is 200+200 =Rs400.