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.
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?
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?
Ques 4.A sum of Rs. 6.40 is made up of 80 coins which are either 10-paise or five-paise coins. How many are of 5-p.?
Ques 5.In a zoo, there are rabbits and pigeon. If heads are counted, there are 200 and if legs are counted, there are 580. How many pigeons are there?
Ques 6.A man has 30,000 rupees to lend on loan. He lent some of his capital to Mohan at an interest rate of 20% per annum and the rest to Suresh at an interest rate of 12% per annum. At the end of one year he got 17% of his capital as interest. How much did he lend to Mohan?
Ques 7.A vessel of 80 litre is filled with milk and water. 70% of milk and 30% of water is taken out of the vessel. It is found that the vessel is vacated by 53%. Find the initial quantity of milk and water.
Ques 8.Mohan’s expenditure and savings are in the ratio os 4:1. His income increases by 20%. If his savings increase by 12%, by how much % should his expenditure increase?
Ques 9.Mukesh earned Rs. 4000 per month. From the last month his income increased by 8%. Due to rise in prices, his expenditure also increased by 12% and his savings decreased by 4%. Find his increased expenditure and initial saving.
Ques 10.A man has 60 pens. He sells some of these at a profit of 12% and the rest at 8% loss. On the whole, he gets a profit of 11%. How many pens were sold at 12% profit and how many 8% loss?