This questions has been daunting me ! It was questioned by my school.
The average age of my family consisting of my parents and myself is 30.Ten years ago , the average age of my parents was 23 years. Find my present age.
Answers
Answered by
0
Let your age=z
Father's age=x
Mother's age=y
(x+y+z)/3=30
x+y+z=90
(x-10+y-10)/2=23
x+y-20=46
x+y=66
So we can substitute this x+y+z
66+z=90
z=24
U are 24 years of age
(Doesn't feel like a 24 year old would still be studying in school).
Father's age=x
Mother's age=y
(x+y+z)/3=30
x+y+z=90
(x-10+y-10)/2=23
x+y-20=46
x+y=66
So we can substitute this x+y+z
66+z=90
z=24
U are 24 years of age
(Doesn't feel like a 24 year old would still be studying in school).
shreshta2003:
omg thanks!
the question is not based upon me
Similar questions