SSC CGL 30 Aug 2015 Paper

Question : 138 of 200

Marks: +1, -0

Three utensils contain equal quantity of mixtures of milk and water in the ratio 6 : 1, 5 : 2 and 3 : 1 respectively. If all the solutions are mixed together, the ratio of milk and water in the final mixture is

65 : 28
65 : 19
19 : 65
19 : 28

Validate

Solution:

Let each vessel contain 1 litre of mixture.
∴ Total quantity of milk
=

6/7+5/7+3/4

{24+20+21}/{28}

{65}/{28}

litre
Total quantity of water
=

1/7+2/7+1/4

{4+8+7}/{28}

{19}/{28}

litre
∴ Required ratio =

{65}/{28}

{19}/{28}

= 65 : 19

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