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The average age of a husband and his wife was 25 years when they were married 7 years ago. Now the average age of husband, wife and his son is 23 years. Find the age of son now.

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5yr

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Explanation:

(h+w – 14)/2 = 25
H+w = 64
Now, (h+w+s)/3 = 23
S = 69-64 = 5 years

By: Sandeep Dubey

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