Question:
Mr. Nagaraj got married 12 years ago to Parvathy and she becomes the 7th member of the family. Today his mother died And Mrs. Parvathy gave birth to a baby. The Average age of Nagaraj Family at the time of his marriage is the same as of today. What is the age of his mother when she died?
A) 54
B) 60
C) 72
D) 84
Answer D) 84
Explanation:
Let the Average Age Of Nagaraj On His Weeding Be x
Total Age =7x
Average Age of Family Today(12 years from Marriage) =x+12
Total Age =7x+84(Consider Age Of Mom Also)
Let Nagaraj’s Mom Age=y
And Nagaraj Lost His Mom And new Baby is Born So Total no Member=7 only
So as Average Age At Marriage= Average Age Today
Total Age Are Same
x=7x+84-y+0 (As y Age of Nagaraj's mom )&(0=Baby Age)y=84 years.
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