the average of scores of 12 students in a test is 74. the highest score is 79. then, the minimum possible lowest score is :- (A)25 (B)12 (C)19 (D)28
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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
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