Question

When i was married 10 years ago my wife is the 6th member of the family. today my father died and a baby born to me.the average age of my family during my marriage is same as today. what is the age of father when he died? ans: 70?

Answer 1

Total family member is 6
Let's assume them as ..
A
B
C
D
E
F- wife
N- baby

Before ten years
(A+b+c+d+e+f)-60/6 Was the average..

Now
( b+c+d+e+f+n) /6 is the average ..

Since today the bay is born n= 0

Therefore by solving above two equation u will get a as 60 ..

Therefore your answer must be 60 years no 70 ..