Question

3years ago the avg age of family of 5 members was 27. the present average age is also 27 years. after the inclution of a child into the family. find the age of the child​

Answer 1

Answer:

12 YEARS

Step-by-step explanation:

3 years ago :

total age of 5 members of family = 27 × 5 = 135

present :

total age of 6 menbers = 27×6 = 162

in 3 years age of 5 members increased by 3×5= 15

so age of child = 162 - (135+15)

=162 - 150

12 years