The average salary of skilled employees in a firm is RS. 520 and that of the unskilled employees is Rs. 420. If the average salary of both the groups of employees is RS. 500, then the percentage of skilled employees in the firm is?
- 50
- 60
- 20
- 70
Explanation
Let's calculate the number of skilled employees (x) and unskilled employees (y):
Total salary of skilled employees = 520x
Total salary of unskilled employees = 420y
Total salary of all employees = 500(x + y)
Since the average salary is Rs. 500, we can set up the equation:
520x + 420y = 500(x + y)
Solving for x and y, we get:
x = 0.6(x + y)
So, the percentage of skilled employees is:
(0.6(x + y) / (x + y)) × 100 = 60%
Therefore, 60% of the employees in the firm are skilled.
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