Latest SSC Aptitude Question SOLUTION: In a mixture 60 litres, the ratio of milk and water 2 : 1. If this ratio is to be 1 : 2, then the quanity of water to be further added is: A. 20 litres B. 30 litres C. 40 li

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(#M40017957) SSC Numerical Ability question Keep an EYE

In a mixture 60 litres, the ratio of milk and water 2 : 1. If this ratio is to be 1 : 2, then the quanity of water to be further added is:
A. 20 litres B. 30 litres
C. 40 litres D. 60 litres

Asked In SSC Gaurav Kumar (11 years ago)

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anjul meid  (11 years ago)

let initially it contains x litres of liquid...den volume of A type and B type are 5x/7 and 2x/7 respectively now when 9 litres are drawn off amount of A type removed = 5*9/7 and amount of B type removed = 2*9/7 and den 9 litres of B type is added....so resulting amount of A=5x/7-45/7 and resulting amount of B type=2x/7-(18/7)+9...so (5x/7-45/7)/(2x/7-(18/7)+9)=7/9 =>x= 720/31 litres

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venkaiaha  (8 years ago)

clearly M=40 & W=20 (since mixture is 2:1 from 60lit mixture)
according to condition
M=40 & W=20+60=80
now M:W=40:80=1:2

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