MCQ PracticeIf 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__________?Subject: MathematicsTopic: ArithmeticA53.33B54.68C55DNone of theseCorrect Answer: BPractice QuizBack to MCQsRelated MCQsI expect you from school by this time next year and for a job.Fill in the blank with the most appropriate word. She asked him where __________Fill in the blank with a suitable option: Nancy ___________to play tennis tomorr