Question
The average marks of 15
candidates were reported as 84. However, it was later discovered that the marks of three candidates were incorrectly recorded as 38, 64, and 72 instead of their actual scores of 83, 46, and 27. Calculate the correct average marks obtained by these candidates.Solution
ATQ, Desired average = {15 x 84 + (83 - 38) - (64 - 46) - (72 - 27)}/15 = 82.8
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