Mother,her daughter and her grand child weighs 110 kg. daughter and her daughter(child) weighs 60 kg...

Mother,her daughter and her grand child weighs 110 kg. daughter and her daughter(child) weighs 60 kg. child is 1/5th of her grand mother. What is the age of the daughter?

Quiz

Answer/Solution

50

Steps/Work

mother + daughter + child = 110kg
daughter + child = 60kg
mother = 110 - 60 = 50kg
child = 1/5th of mother = (1/5)*50 = 10kg
So now daughter = 110 -(mother + child) = 110 - (50+10) = 50kg
ANSWER:E