Question

Mother's name is Sixty two, Son's name is fifty two, Daughter's name is Forty two, what is father name?

Answer 1

It is little bit wrong the correct question should be

Mother's name is Mrs.Sixty two, Son's name is fifty two, Daughter's name is Forty two, what is father name?
Answer=As mother name is Mrs.Sixty two then father name will be Sixty two 

Answer 2

sixty two

as mothers name is MRS. sixty two