One year ago the ratio of the ages of Sarika and Gouri was 3 : 4 respectively. One year hence the ratio of their ages wi…

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…

A bucket contains a mixture of two liquids A and B in the proportion 7 : 5. If 9 litres of mixture is replaced by 9 lite…

If 2A = 3B = 4C, then A : B : C is equal to -

The sum of the salaries of A and B is Rs. 2100. A spends 80% of his salary and B spends 70% of his salary. If their sav…

If a : b = 3 : 4, b : c = 4 : 7, then $$\frac{{a + b + c}}{c}$$   is equal to -

In a business, the ratio of the capitals of A and B is 2 : 1, that of B and C is 4 : 3 and that of D and C is 6 : 5. The…

Fourth proportional to (a<sup>2</sup> - b<sup>2</sup>), (a<sup>2</sup> - ab), (a<…