1.

A man buys 3 type-I cakes and 6 type-II cakes for Rs. 900. He sells type-I cakes at a profit of 15% and type-II cakes at a loss of 10%. If his overall profit is Rs.30, the cost price (in Rs.) of a type-I and of a type-II cakes is

A. 100, 100
B. 160, 70
C. 180, 60
D. 120, 90
Answer» C. 180, 60


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