What is the average number of employees in departments C, E and F

In 2014, the number of female employees in department E was 5/11 of the total number of employees in the same department. If the number of female employees in department D was 16 less than that in department E, what is the number of male employees in department D

In department C, the respective ratio between the number of female employees and male employees was 5 : 6. There were equal number of unmarried males and unmarried females in department C. If the respective ratio between married females and married males was 4 : 5, what is the number of unmarried females

The number of employees in department D is what percent less than the total number of employees in departments A and F together

In 2014, there were 30% post graduate employees in department B. In 2015, 20 employees of the same department were shifted to branch ‘PQR’. If in 2015, the percentage of post graduate employees in department B were the same, how many post graduate employees were shifted to branch ‘PQR’

The interest earned when INR ‘P’ is invested for four years in a scheme offering 9% p.a. simple interest is more than the interest earned when the same sum (INRP) is invested for two years in another scheme offering 12% p.a. simple interest, by INR 360/-, What is the value of P