The average salary of the 8 employees is ₹13,750.
1. Find total people
The group consists of 8 employees and 1 supervisor.
Total people=8+1=9
2. Calculate total salary
Multiply the total number of people by their combined average salary.
Total salary=9×15,000=1,35,000
3. Subtract supervisor's salary
Deduct the supervisor's earnings from the total salary to find the portion belonging only to the employees.
Employees’ total salary=1,35,000−25,000=1,10,000
4. Find employees' average
Divide the employees' total salary by the 8 employees.
Employees’ average salary=81,10,000=13,750
Final Answer
The average monthly salary of the 8 employees is ₹13,750.