the A.M. of 30 students is 42 among them two got zero marks then determine A.M. of remaining students
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The A.M of 30 students = 42
sum of the 30 students
------------------------- = 42
30
sum of the 30 students = 42 * 30 = 1260
Now, two got zero
so new Am of 28 students = 1260 / 28 = 45
sum of the 30 students
------------------------- = 42
30
sum of the 30 students = 42 * 30 = 1260
Now, two got zero
so new Am of 28 students = 1260 / 28 = 45
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