Math, asked by sikharanirout419, 4 months ago

Two years ago
the mean age of a 40 people was 11 years
Now a person lelf the group
and the means age is changed to 12 years. Find the age of the person who lelf the group ​

Answers

Answered by Anonymous
1

Answer:

Two years ago the mean age of 40 people was 11 years . ⇒ So, at present the mean age will be increased by 2,. Hence, the mean age at present will be 11 + 2 = 13 years,.

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