The average score of a class of 40 students is 52.What will be the average score of the rest of the students if the average score of 10 of the students is 61.
a)50
b)48
c)49
d)51

• c) 49
  
  Total score of 40 students= 40*52=2080
  Total score of 10 students=10*61=610
  So average of the remaining 30 students= (2080-610)/30= 1470/30= 49
• 8 years agoHelpfull: Yes(4) No(0)
• 40*52=2080,10*61=610
  2080-610=1470
  1470/30=49
• 7 years agoHelpfull: Yes(0) No(0)