The average height of a class of 25 students is 4.4 feet. A student of height 5.7 feet is newly enrolled. Find the new average?
Correct answer B. 4.45 feet
Tip: press A, B, C or D to answer, and N for the next question.
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More Age Questions questions
See allWhat is the average (arithmetic mean) of the positive integers from 101 to 200 inclusive?
Correct answer A. 150.5
Let X be the median and Y the mode of the following set of numbers: 15 60 30 40 60 90. What is the average (arithmetic mean) of X and Y?
Correct answer A. 55
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The average weight of a group of boys and girls is 37.5 kg. The average weight of the boys is 40 kg and that of girls is 35 kg. If the number of boys is 25 find the number of girls?
Correct answer B. 25
The average age of a class of 40 boys is 11.95 years. The average of the class is raised to 12 years by the coming of a new boy. How old is this new boy?
Correct answer D. 14 years
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