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A container holds a mixture of two liquids A and B in the ratio 7 : 5 7 : 5 7 : 5 . When $9$ liters of this mixture is removed and the container is re...

Banking RBI Grade B Prelims Medium Number System (including HCF LCM) MCQ

Question

A container holds a mixture of two liquids A and B in the ratio 7:57 : 5. When $9$ liters of this mixture is removed and the container is refilled with liquid B, the new ratio of A to B becomes 7:97 : 9. What was the initial quantity of liquid A in the container?

Options

A.

$10$ liters

B.

$20$ liters

C.

$21$ liters

D.

$25$ liters

mixtureratioalgebraliquid mixture

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