Question 813274
Sol:-Let the age of daughter be x.
then,mother's age=2x
and,father's age=2x+5
A/Q
x+2x+2x+5=100
     5x+5=100
   5(x+1)=100
      x+1=20
        x=19
Since,daughter's age=19yrs
mother's age=2x=2*19=38yrs
father's age=2x+5=38+5=43yrs