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?
Answers
Answered by
0
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
Similar questions