Q:

A mathematics teacher calculated the total marks obtained by 35 students of 8th class . The average marks of the students were 72. But 36 marks for Reena was calculated in place of 86 obtained by her. What was the correct average of all the students? 

• 1
  73.41
• 2
  74.31
• 3
  72.43
• 4
  73.42