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?
Choose the correct choice from the following
A) 40 yrs B) 50 yrs C) 60 yrs D) 70 yrs E) 80 yrs
let average age 10 yrs ago was x yrs,   total age 10 yrs before was 6x yr ,   at present,father died, now members remains= 5,   now total age after 10 yrs is (no. of member)*(x+10) yrs,i.e.total age is 5(x+10)   and after baby born total age = 5(x+10)+0, because baby age is 0 yrs   as per ques. both time, age is same i.e. 6x=5x+50+0   after solving.. x=50,i.e. father's age before 10 yrs was 50 yrs,   now father died after 10 yrs hence age at dead time= 50+10= 
<gadget id="calculator">50+10</gadget>
<output>60</output>
60 yrs.   ANSWER:60 yrs
<result>C</result>
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?