Published by:
CGP EDU Academic Team
Published on: August 14, 2026
The mean monthly salary of the employees in a certain factory is Rs. 500. The mean monthly salaries of male and female employees are respectively Rs. 510 and Rs. 460. The percentage of male employees in the factory is
Text Solution
Verified by ExpertsThe correct answer is:
C
The formula for combined mean is 
Given, 
, 
, 
Let 
and 
denotes male, 
denotes female for this 
⇒ ⇒ 
⇒ ⇒ 
⇒ ⇒ 
⇒ ⇒ 
.
Hence, the percentage of male employees in the factory is 80.
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