Ratio of earnings of A and B is 8 : 9 respectively. If the earnings of A increase by 50% and the earnings of B decrease…

If x : 7.5 = 7 : 17.5, 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?

The mean proportion between $$\left( {3 + \sqrt 2 } \right)$$   and $$\left( {12 - \sqrt {32} } \right)$$ &amp…

The monthly salaries of A, B and C are in the ratio 2 : 3 : 5. If C's monthly salary is Rs. 12000 more than that of A, t…

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 …

Salaries of Ravi and Sumit are in the ratio 2 : 3. If the salary of each is increased by Rs. 4000, the new ratio becomes…

The milk and water in a mixture are in the ratio 7 : 5. When 15 liters of water are added to it, the ratio of milk and w…