Question

The average of 64 means in 37 years which is decreased by 1/9th years when a man went home.what the age of that man?​

Answer 1

Step-by-step explanation:

Number of persons, N = 45.

Age decreased by = 1/9 years.

Age of incoming = X years.

Age of out going = 60 years.

Now,

Number of the persons in group * age decreased = difference in age between out going and incomming person.

45*(1/9) = 60 -X

X = 60 -5 = 55 years.

Hope it's help

Answer 2

Answer:

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