Question
A mixture contains liquid A and liquid B in the ratio of
5:3, respectively. If 12L of liquid B is added to this mixture, the respective ratio of liquid A and liquid B becomes 2:3, what was the quantity of liquid B in the original mixture?Solution
Let, quantity of liquid A and liquid B in the original mixture be ‘5x’ L and ‘3x’ L, respectivelyAccording to question, 5x/(3x + 12) = 2/3 15x = 6x + 24 9x = 24 x = 24/9 The quantity of liquid B in the original mixture = 3x = 24/9 = 8 L
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