If 2 kg metal of which 1 3 is zinc and the rest is copper be mixed with 3 kg of metal of which ...........

Quantitative Aptitude ( CCS) Mixture and Alligation

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If 2 kg metal , of which (1/3) is zinc and the rest is copper , be mixed with 3 kg of metal , of which (1/4) is zinc and the rest is copper . What is the ratio of zinc to copper in the mixture ?

11 : 43

15 : 37

17 : 43

23 : 74

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Explanation:

Quantity of zinc in the mixture = 2 (1/3) + 3 (1/4) = ( 2/3) + (3/4) =17/12
Quantity of copper in the metal = (3+2) – (17/12) = 43/12
Therefore , 17 / 12 : 43 /12 = 17 : 43

Hence, option 3 is the correct answer.

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