Published by:
CGP EDU Academic Team
Published on: August 14, 2026
The mean age of a combined group of men and women is 30 years. If the means of the age of men and women are respectively 32 and 27, then the percentage of women in the group is
Text Solution
Verified by ExpertsThe correct answer is:
B
The formula for combined mean is 
Given, 
, 
, 
Let 
and 
denotes men, 
denotes women for this 
⇒ ⇒ 
⇒ ⇒ 
⇒ ⇒ 
⇒ ⇒ 
So, 
Hence, the percentage of women in the group is 40.
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