Question

If the average marks of the three batches 32, 45 and 54 student respectively is 50, 42 and 35, then find the approximate average mark of all the students?

A 41 Correct Answer Incorrect Answer
B 46 Correct Answer Incorrect Answer
C 52 Correct Answer Incorrect Answer
D 38 Correct Answer Incorrect Answer
E None of these Correct Answer Incorrect Answer

Solution

Required average = (32`xx` 50+45`xx` 42+54`xx` 35)/(32+45+54) = 41.06

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