Question

A shopkeeper mixes two kinds of flour. One costing Rs. 3.50 per kg and the
other Rs. 2.25 per kg. so that the price of the mixture is Rs. 2.75 per kg. The
ratio of first kind of flour to that of the second must be
(A) 1:2 (B) 1:3 (C) 3:4 (D) none of these​

Answer 1

Answer:

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