The average age of a board of 8 trustless remains the same as it was 3 years ago, when one of them is replaced by a new member. The new member is younger than the truetee in whose place he has been replaced by
(a) 24 years
(b) 26 years
(C) 47 years
(d) 32 years
(a) 24 years
(b) 26 years
(C) 47 years
(d) 32 years