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ISRO | ISRO CS 2011 | Question 67
The arithmetic mean of attendance of 49 students of class A is 40% and that of 53 students of class B is 35%. Then the percentage of arithmetic mean of attendance of class A and B is
(A)
27.2%
(B)
50.25%
(C)
51.13%
(D)
37.4%
Answer
Please comment below if you find anything wrong in the above post
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