Question

1 point
62. Five years ago the average age of a
family of 3 members was 27 years. A new
child member has been added in this
family. The average age of the family is 25
years today. What is the present age of the
child?
5 years
O 4 years
O 3 years
O 2 years​

Answer 1

it's 4 yrs

Five years ago the average age of a family of 3 members was 27 years.

total = 27x3=81

now= 81 + 3x5=96

again 25x4=100

therefore, 100-96 = 4 yrs