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A mixture contains liquid A and liquid B in the ratio of 5 : 4. If 2 litres of liquid B is added to it, then the ratio of liquid A and liqu…

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A mixture contains liquid A and liquid B in the ratio of 5 : 4. If 2 litres of liquid B is added to it, then the ratio of liquid A and liquid B becomes 7 : 6. What is the quantity (in litres) of liquid A in the mixture?

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Discussion 1

CCommunity24 Apr 2019

Let the quantity of the two liquids A and B be 5x and 4x respectively.

According to the question

(5x)/(4x + 2) = 7/6

⇒ 30x = 28x + 14

⇒ 2x = 14

⇒ x = 7

∴ Quantity of liquid A in mixture = 7 × 5 = 35 liters