An organization has 80 male and 20 female employees. The average salary of male employees is ` 25,000, but the average salary of female employees is ` 17,What will be the combined average of the salary ?

The correct answer is (b) `22,400.

The total salary of the male employees is 80 * 25,000 = 2,000,000.
The total salary of the female employees is 20 * 17,000 =340,000.
The total salary of all the employees is 2,000,000 + 340,000 = 2,340,000.
The combined average salary is 2,340,000 / 100 =22,400.

Option (a) is incorrect because it is the average salary of the female employees only.
Option (c) is incorrect because it is the average salary of the male employees only.
Option (d) is incorrect because it is the average of the two averages.