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 \(B\) ?
A.Rs 520
B.Rs 430
C.Rs 360
D.Rs 400
Answer:D
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 \(B\) ?
A.Rs 520 B.Rs 430 C.Rs 360 D.Rs 400