Q:

A) 4:3 | B) 3:4 |

C) 5:6 | D) 7:9 |

Answer: D) 7:9

Explanation:

Explanation:

Let the C.P. of spirit be Re. 1 litre.

Spirit in 1 litre mix. of A = 5/7 litre, C.P. of 1 litre mix.

in A = Re. 5/7

Spirit in 1 litre mix. of B = 7/13 litre, C.P. of 1 litre mix.

in B = Re. 7/13

Spirit in 1 litre mix. of C = 8/13 litre, Mean price = Re. 8/13.

By the rule of alligation, we have:

Cost of 1 litre mixture in A Cost of 1 litre mixture in B

Required ratio = 1/13 : 9/91 = 7:9.

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.

6
89

9
523