cost price of article A is 200 more than cost price of B.A was sold at 10% loss and B at 25% profit. if overall profit profit earned after selling both article is 4% what is cp of article B?

Answer 1

Let n be the price of B. Then A is n+200. So:
.9(n+200)+1.25n=1.04(n+n+200)
Solve for n
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