A can contains a mixture of two liquids A and B is the ratio 7 : 5. W…

Question

A can contains a mixture of two liquids A and B is the ratio 7 : 5. When 9 litres of mixture are drawn off and the can is filled with B, the ratio of A and B becomes 7 : 9. How many litres of liquid A was contained by t…

Accepted Answer

Option C. 21. Answer & Solution Answer: Option C Solution: & Suppose\, the\, can\, initially\, contains\, & 7x\, and\,5x\, of\, mixtures\, A\, and\, B\, respectively. & Quantity\, of\, A\, in\, mixture\, left & = ( 7x - 712 × 9 )\, litres & = ( 7x - 214 )\, litres & Quantity\, of\, B\, in\, m…

A can contains a mixture of two liquids A and B is the ratio 7 : 5. When 9 litres of mixture are drawn off and the can is filled with B, the ratio of A and B becomes 7 : 9. How many litres of liquid A was contained by the can initially?

Solution