The average age of a,b,c,d,five years ago was 45years .by including x the percentage average age of all the five is 49 year the percentage age of x is??
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Sum of the present ages of husband, wife and child = (27 x 3 + 3 x 3) years = 90 years.
Sum of the present ages of wife and child = (20 x 2 + 5 x 2) years = 50 years.
 Husband's present age = (90 - 50) years = 40 years.
Sum of the present ages of wife and child = (20 x 2 + 5 x 2) years = 50 years.
 Husband's present age = (90 - 50) years = 40 years.
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