The average age of husband, wife and their child 3 years ago was 27 years and that of wifeand the child 5 years ago was 20 years. the present age of the husband is:
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the present ages of husband wife and child = 27 * 3 + 3 * 3years = 90 years.
Sum of the present ages of wife and child = 20 * 2 + 5 * 2 years = 50 years.
Husband present age = 90-50 =
40 years...!
Sum of the present ages of wife and child = 20 * 2 + 5 * 2 years = 50 years.
Husband present age = 90-50 =
40 years...!
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