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मार्च, 2022 की पोस्ट दिखाई जा रही हैं

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 litres more spirit than water, the qu