Q:

A) 45L | B) 36.45L |

C) 40.5L | D) 42.5L |

Answer: B) 36.45L

Explanation:

Explanation:

General Formula:

Final or reduced concentration = initial concentration

where n is the number of times the same operation is being repeated. The "amount being replaced" could be pure or mixture as per the case. similarly ,"total amount" could also be either pure or mixture. Here amount being replaced denotes the quantity which is to be withdrawn in each time.

Therefore,

=

= 36.45 L

Q:

A) 24.52 litres | B) 29.63 litres |

C) 28.21 litres | D) 25.14 litres |

Answer & Explanation
Answer: B) 29.63 litres

Explanation:

Explanation:

Given that container has 50 litres of milk.

After replacing 8 litres of milk with water for three times, milk contained in the container is:

= 29.63 litres.

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