In a mixture of 60 litres, the ratio of milk and water is 2 : 1. If this ratio is to be 1 : 2, then what is the quantity of water to be further added?
Group 1 - 2015
In a mixture of 28 litres, the ratio of milk and water is 5 : 2. If 2 litres of water is added to the mixture, find the ratio of milk and water in the new mixture.
Group 2 - 2013
One lite of water is added to 5 liters of a 20% solution of alcohol in water. The strength of alcohol in the new solution is
Group 2 - 2013
The ratio of boys to girls in a class is 4:5. If the number of boys is 20, then the number of girls is
Group 2 - 2018
If x2 + 4y2 = 4xy, then x : y is
Group 2A - 2016
What is the third proportional to 0.34 and 0.50?
Group 1 - 2015
