Q. The average age of 60 students in a class is 12 years, that of 15 students is 9 years and thatof another 5 of them is 13 years. What is the averageage of the remaining students?Option A 12 yearsB 13 years

• 13 yrs
  
  Average of remaining students = [(60*12)-(15*9+13*5)]/40= 520/40=13 yrs
• 11 years agoHelpfull: Yes(5) No(0)