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Let the average weight of 16 people be 'A' kg. ATQ, (16A + 40 X 2) ÷ 18 = (A + 0.5) Or, 16A + 80 = 18A + 9 Or, 2A = 71 Or, 'A' = 35.5 Therefore, required average = 35.5 + 0.5 = 36 kg
if 70 liters of milk solution contains 60% milk, how much milk should be added to make the solution 80% milk?
A fuel blend composed of diesel and petrol is mixed in a ratio of 5:3, respectively. If one-fourth of this blend is removed and replaced with 24 liters ...
A vessel is completely filled with milk. If 42% of the milk is replaced with water then only 232 ml of milk will be left in the vessel. What is the tota...
In a ‘10Y’ litres of mixture of milk and water, the quantity of milk is 60%. According to which of the following statements the value of ‘Y’ wi...
Quantity of water in a 360 litres mixture (alcohol + water) is 20 litres less than the quantity of alcohol in it. Find the quantity of water to be mixed...
In a mixture of 315 litres, the ratio of petrol to diesel is 7:4. If ‘x’ litres of diesel is added to the mixture, such that the ratio of petrol to ...
225 ml of mixture ‘A’ contains milk and water in the ratio 2:3 respectively. If the quantity of milk in mixture ‘B’ is 25.5% more than that in m...
Anjum bought 1 litre of milk at Rs. 50 per litre, 500 grams of sugar for Rs. 30 per kg, and 200 grams of coffee for Rs. 125 per kg. From these ingredien...
In the mixture of 84 liters, the ratio of milk and water is 5: 7. If this ratio is changed to 3: 5, then tell the amount of excess water (in liters) mix...
