Ratio of the employees in company A to B is 6: 5 and the number of employees in C to A is 13: 10. If the ratio of the number of male to female employees in A, B and C is 7: 5, 2: 3 and 7: 6 respectively, then the number of female employees in all the companies together is approximately what percent of the total number of employees in all the companies together?

Average present ages of A, B and C is 25 years. The ratio of the present ages of B and C is 4:5. After 6 years, the ratio will be B and C is 5:6, then what is the present age of A?

A shopkeeper earns a profit of 25 percent on selling a radio at 15 percent discount on the Printed price. Finds the ratio of the Printed price and the cost price of the radio.

The bus fare between two cities is increased in the ratio 5:11. Find the increase in the fare, if the original fare is Rs. 275.

The ratio of income & savings of a man is in ratio of 16:3 respectively. If his savings increases by 1/3 rd and expenditure increased by 1/2, then find the ratio of new income to earlier income of man?

If 7A = 5B = 2C; find A : B : C.

In an army selection process, the ratio of selected to unselected candidates was 3 : 1. If 80 less had applied and 40 less selected, the ratio of selected to unselected candidates would have been 4 : 1. How many candidates had applied for the process? 

A shopkeeper earns a profit of 15% after selling a book at 20% discount on the printed price. The ratio of the cost price and printed price of the book is :