Math : Mixture & Allegation ( Ratio & proportion)
SUB:- Mixture & Allegation 1.Two vessels contain milk and water in the ratio 3:1 and 5:3 respectively. In what ratio these to be mixed to prepare a third mixture containing milk and water in the ratio 2:1? A)1:2 B)2:1 C)1:1 D)none of these 2. An alloy contains 90% copper and 10% tin. Another alloy has 93% copper and 4%tin. In what ratio these to be mixed so that the mixture must have 9% tin? A)5:1 B)1:5 C)2:7 D)none of these 3. In what ratio, a grocer can mix tea leaves of Rs.10 per kgand Rs. 15 per kg to make a mixture of Rs.12 per kg? A)3:2 B)2:3 C)3:4 D)none of these. 4.How many ml of water must be added to 48ml of alcohol to make a solution that contains 25%alcohol? A)48 B)64 C)144 D)192 5.In a mixture of 45litres, the ratio of milk and water is 3:2 . How much water must be added to make the ratio 9:11? A)10 Litres B)15 Litres C)17Litres D)20Litres 6. A mixture contains spirit and water in the ratio 3:2. If it contains 3 lit...