In a regiment the ratio between the number of officers to soldiers was 3 : 31 before. In a battle 6 officers and 22 sold…

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…

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…

In a school the ratio of boys and girls is 4 : 5 respectively. When 100 girls leave the school the ratio becomes 6 : 7 r…

The bus fare and train fare of a place from kolkata were Rs. 20 and Rs. 30 respectively. Train fare has been increased b…

The ratio of the first and second class fares between two railway stations is 4 : 1 and that of the number of passengers…

If x varies as y then x<sup>2</sup> + y<sup>2</sup> varies as

In an innings of a cricket match,three players A, B and C scored a total of 361 runs. If the ratio of the number of runs…