If the average marks of three batches of 55, 60 and 45 students respectively is 50, 55, 60, then the average marks of all the students is__________? December 26, 2021December 26, 2021 administrator A. 53.33B. 54.68C. 55D. None of theseCheck AnswerB. 54.68 Share the PostRelated Posts:If the average marks of three batches of 55, 60 and…The average marks of a class of 30 students is 40…A student scored an average of 80 marks in 3…Ali and Waqar appeared in a test. Ali scored 12…The average mark of the students of a class in a…The average of 35 students in a class is 16 years.…