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640 ml of a mixture contains milk and water in ratio 6:2. How much of the water is to be added to get a new mixture containing half milk and half water ?
none of these
Here total parts of milk and water in the solution is 6+2 = 8 parts.
1part = 640/8 = 80
old mixture contains 6parts of milk and 2 parts of water(6:2).
To get new mixture containing half milk and half water,
add 4parts of water to the old mixture
then 6:(2+4) to make the ratio same.
=4 x 80 = 320 ml.
Hence, option 4 is the correct answer.
By: Amit Kumar ProfileResourcesReport error
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