Age puzzle
The average age of 10 members of a committee is the same
as it was 4 years ago, because an old member has been
replaced by a young member. Find how much younger is
the new member ?
as it was 4 years ago, because an old member has been
replaced by a young member. Find how much younger is
the new member ?
4
ReplyDeleteAge of each member is 40 and new member is 4
ReplyDeleteIts wrong answer. We have to find how much younger is new person with older one , not the exact age.
DeleteAnswer : The age difference is 40 yrs
ReplyDeleteExplanation :
Present :A/10 + B/10 + ... F/10 = Z
4 yrs Later : A/10 + B/10 + ... F/10 + 4 = ZZ
(A-40)/10 + B/10 + ... F/10 + 4 = Z