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In what proportion, can 3 varieties of sugar priced at rs 10, 12 and 18 per kg, be mixed so that the price of the mixture is rs 14 per kg?

A.	2:3:4	B.	3:4:5
C.	1:3:4	D.	None of the above

Answer and Explanation

Answer:3:4:5

Explanation:
Let the required proportion be x:y:z
(10x+12y+18z) / x+y+z = 14
Going by the options, we have only choice (2) satisfying the above equation.

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