The average age of a husband and wife who were married 6 years ago was 20 years then. The average age of the family including the husband, the wife and the child which was born during the interval is 18 years now. How old is the child now?
A) 14 Years B)12 Years C) 6 Years D) 2 Years
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Total age(6 yrs before)=2×20=40 yrs
Total age(after 6yrs with child)=3×18=54 yrs
Total age(after 6yrs excluding child)=40+6(of wife)+6(of husband)=52 yrs
Hence age of child=2yrs
Total age(after 6yrs with child)=3×18=54 yrs
Total age(after 6yrs excluding child)=40+6(of wife)+6(of husband)=52 yrs
Hence age of child=2yrs
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