Six coins of gold and silver of equal weights are melted and new coins are cast. The ratio of gold and silver in one of …

The third proportional to 38 and 15 is -

If x : y = 7 : 3, then the value of $$\frac{{xy + {y^2}}}{{{x^2} - {y^2}}}$$   is

In a certain company, the ratio of the number of managers to the number of production - line workers is 5 to 72. If 8 a…

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 …

The fourth proportional to 5, 8, 15 is:

If A : B = $$\frac{1}{2}$$ : $$\frac{3}{8},$$  B : C = $$\frac{1}{3}$$ : $$\frac{5}{9}$$ and C : D = $$\frac{5}…

A man ordered 4 pairs of black socks and some pairs of brown socks. The price of a pair of black socks is double that of…