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Let the speeds of ‘A’ and ‘B’ be ‘x’ km/h and ‘y’ km/h, respectively According to the question, (x + y) = (60/6) = 10 km/h Multiplying throughout by (2), we get (2x + 2y) = 20………. (I) Also, (2x/3) + 2y = 12 Or 2x + 6y = 36……. (II) Subtracting equation (I) from equation (II), we get ‘y’ = 4 km /h putting the value of y in the equation (ii) x = 6km /h
If 100 liters of milk solution contains 60% milk, how much milk should be added to make the solution 80% milk?
A milkman mixed equal quantities of two mixtures, ‘A’ and ‘B’. In mixture ‘A’, the milk-to-water ratio is 5:2, while in mixture ‘B’, it ...
A 78-liter mixture contains milk and water in a ratio of 6:7. If an additional 24 liters of milk and 48 liters of water are added to the mixture, what w...
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A container contains 60 liters of a solution containing 25% alcohol. How many liters of pure alcohol must be added to make the alcohol concentration 40%?
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The mixture of petrol and Kerosene in two vessels are in the ratio 2:5 and 3: 7 respectively. In what ratio will liquids in both the vessels be mixed to...
Mixture 'A' has only petrol and diesel in the ratio 5:4 respectively and mixture 'B has only petrol and diesel in the ratio 3:2 respectively. Mixtures '...
