Averages in Aptitude MCQ Quiz (Multiple Choice Questions And Answers)
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96. The average weight of 16 boys in a class is 50.25 kg and that of the remaining 8 boys is 45.15 kg. Find the average weights of all the boys in the class.
- 48 kg
- 49 kg
- 47 kg
- 48.55 kg
97. A library has an average of 510 visitors on Sundays and 240 on other days. The average number of visitors per day in a month of 30 days beginning with a Sunday is:
- 280
- 290
- 275
- 285
98. 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:
- 54
- 56
- 52
- 54.68
