Alligation and Mixture : Tricks and Problems

Alligations is an important chapter for IBPS exams. This technique can be applied to many other chapter of Quantitative aptitude. Today I am explain applications of Alligation method to various Quantitative Aptitude topics.

Ques 1.

Gold is 19 times as heavy as water and copper 9 times. In what ratio should these materials be mixed so that the mixture may be 15 times as heavy as water.

Solution :-

Ques 2.

How much chicory at Rs. 4 a kg should be added to 15 kg. of teat Rs 10 a kg. so that the mixture be worth Rs. 6.50 a kg?

Solution :-

Ques 3.

A mixture of 40 litres of milk and water contains 10% water. How much water must be added to make water 20% in the new mixture?

Solution :-

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