There is a milk sample with 50% water in it.If 1/3rd of this milk is added to equal amount of pure milk, then water in the new mixture will fall down to
(a) 25%
(b) 30%
(c) 35%
(d) 40%
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There is a milk sample with 50% water in it.If 1/3rd of this milk is added to equal amount of pure milk, then water in the new mixture will fall down to
(a) 25%
(b) 30%
(c) 35%
(d) 40%
There is a milk sample with 50% water in it.If 1/3rd of this milk is added to equal amount of pure milk, then water in the new mixture will fall down to
(a) 25%
(b) 30%
(c) 35%
(d) 40%
Correct option (a) 25%
Explanation:
Percentage of milk in milk sample = 50%
It is added to equal amount of pure milk, i.e. in the ratio of 1:1
Note: The information that 1/3rd of the milk sample is mixed is useless.
Let 100 lt of milk sample is mixed with 100 lt of pure milk. Water in milk sample = 50 lt
Percentage of water in the new mixture = [50/(100 + 100)] × 100 = (50/200) × 100 = 25%.