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14. In what ratio must water be mixed with milk costing Rs.12 per litre in order to get a mixture worth of Rs.8 per litre? | |

A. 1 : 2 | B. 2 : 2 |

C. 3 : 1 | D. 1 : 3 |

Answer: Option A

Explanation:

By rule of alligation,

Cost Price of 1 litre water | Cost Price of 1 litre milk | |||||||||

0 | 12 | |||||||||

Mean Price | ||||||||||

8 | ||||||||||

12-8=4 | 8-0=8 |

Required Ratio = 4 : 8 = 1 : 2

Sojan

2013-04-30 20:58:44

In such problems, when the cost of the water is not given, it can be assumed as 0

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