The average age of a committee of 8 members is 40 years. A member, aged 55 years, retired and he was replaced by a member aged 39 years. The average age of the present committee is:
A. 39 years
B. 38 years
C. 36 years
D. 35 years
E. 37 years

• required Average= (8*40-55+39)/8
  which is coming 38 years..
  
  Ignore the previous! was a mistake from calc!
• 9 years agoHelpfull: Yes(1) No(0)
• required Average= (8*40-55+39)/8
  which is coming 28 years..
  
  so your options are not correct!
• 9 years agoHelpfull: Yes(0) No(0)