When a couple got married 6 years ago,their average age was 28 years.Now in the family there is a child including husband and wife and the average age of the family is 24 years.The age of child after two years is?
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Average of couples befor 6years = 28
Total age of couple before 6years = 28 x 2 = 56
Total age couple after 6years = 56 + 6 + 6 = 68
Age of couples and child = 24 x 3 = 72
Age of child = 72 - 68 = 4
Age of child after 2years = 6
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