A mixture contains milk and water in the ratio 5 : 1. On adding 5 litres of water, the ratio of milk and water becomes 5…

A cat leaps 5 leaps for every 4 leaps of a dog, but 3 leaps of the dog are equal to 4 leaps of the cat. What is the rati…

The total emoluments of A and B are equal. However, A gets 65% of his basic salary as allowances and B gets 80% of his…

The fourth proportional to 0.12, 0.21 and 8 is-

The students of three classes are in the ratio 4 : 6 : 9. If 12 students are increased in each class the ratio changes t…

If $$\sqrt 2 $$ : $$\left( {1 + \sqrt 3 } \right)$$  :: $$\sqrt 6 $$ : $$x$$, then $$x$$ is equal to -

The number to be added to each of the numbers 7, 16, 43, 79 to make the numbers in proportion is = ?

In a class the number of girls is 20% more than that of the boys. The strength of the class is 66. If 4 more girls are …