Question

in a batch of 12 students, the average of lowest 11 scores in an aptitude test is 53 while the average of highest 1 1 score is 57. For the entire batch of 12 students, what is the difference between the maximum possible average and minimum possible average?
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Answer 1

Answer:

Answer:

28

Step-by-step explanation:

from average score of 12 student 74

sum of score =12×74=888

maximum is 79.

a)if minimum is 25

other 10 student score =888-79-25=784

784/10=78.4 this is higher then maximum score 25 not possible

d) if minimum score is 28

10 students score=888-79-28=781

781/10=78.1 possible answer is 28