1.

A milkman cheats his customer in two ways. He mixes 10% water in pure milk and increases the price of milk by 10% . He purchases 20 kg pure milk at a rate of Rs. 15 per kg. His total profit by selling it is -

A. s. 40
B. s. 63
C. s. 80
D. s. 100
Answer» C. s. 80


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