In a mixture 60 litres, the ratio of milk and water 2 : 1. If this ratio is to be 1 : 2, then the quanity of water to be…

If the annual income of A, B and C are in the ratio 1 : 3 : 7 and the total annual income of A and C is Rs. 800000, then…

The ratio of monthly income of A and B is 6 : 5 and their expenditure are in the ratio of 4 : 3. If each of them saves …

If $$\frac{{3x + 5}}{{5x - 2}}{\text{ = }}\frac{2}{3}{\text{,}}$$   then the value of x is

If 40% of a number is equal to two-third of another number, what is the ratio of first number to the second number?

If x : y = 3 : 4, then the value of (4x - y) : (2x + 3y) is = ?

What must be added to each term of the ratio 7 : 11, So as to make it equal to 3 : 4?

x, y, z, u are real numbers such that x : y = y : z = z : u and x : u = 64 : 27. the value of x : z is -