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From the 50 liters of milk, 5 liters of milk is taken out and after it 5 liters of water is added to the rest amount of milk. Again 5 liters of milk and water is drawn out and it was replaced by 5 liters of water. If this process is continued similarly for the third time, the amount of milk left after the third replacement:
In what ratio 57 octane and 63 octane should be mixed to obtain 59 octane?
There are two containers A and B in which a mixture of petrol and kerosene is filled in the ratios 1 : 6 and 5 : 2 respectively. A mixture of both liquids is mixed to obtain a mixture of 1560 liters, containing 480 liters of petrol. Find the ratio of the amount of mixture in vessel A to amount of mixture in vessel B.
The pie chart given below shows the amount spent by a boy on the purchase of six different items. The total amount spent on all these six items is Rs. 54000. The amount spent on a specific item is represented as a degree with reference to the total amount spent on all these six items. Which of the following statement(s) is/are correct? I. The amount spent on article A is Rs.900 less than the amount spent on article B. II. The amount spent on article C is Rs 2400 more than the amount spent on article D. III. The ratio of the amount spent on article B to the amount spent on article E is 4 : 1.
Two barrels of 25 liters and 40 liters respectively are filled with the mixture of milk and water in the proportion of 12 : 5 and 14 : 7. If 75% amount of the barrels is transferred to a tank which is filled with 15 liters of milk and 7 liters of water, then the proportion of water to milk in the mixture contained in the tank is?
A 60% spirit solution is mixed with r% spirit solution in the ratio 1 : 3 such that a s% spirit solution is obtained. When a (s/3)% spirit solution is mixed with 55% spirit solution in equal ratio, an (r/2)% spirit solution is obtained. Which of the following can be determined? (A) Value of ‘r’ (B) Value of ‘s’ (C) Volume of the 60% spirit solution mixed initially (D) If 9 liters of r% spirit solution was mixed initially, what was the volume of the s% spirit solution thus obtained?
Four different barrels contain different quantities of oil whose measurements are 310 liters, 425 liters, 275 liters and 135 liters. What will be the biggest measure used to measure all the different quantities exactly?
Two pipes feed a water tank at the rate of 2 liters/minute and and 3 liters/minute. A third pipe draws out water at a rate of 6 liters/minute. The capacity of the tank is 100 liters and it is full of water. How many minutes would it take to make the tank empty if the three pipes are opened simultaneously?
A bucket contains 64 liters of petrol. 16 liters of petrol is removed and replaced with kerosene. 16 liters of this mixture is removed and replaced with kerosene. How much kerosene (in liters) is present now?
A Jar contains 80 liters of concentrated HCL acid. For diluting it, lab assistants replace it with 8 liters of water. Still the mixture is concentrated. Then, he replaced the mixture with 16 liters water and again with 20 liters water. Then what is the quantity of water in the final mixture?