The mean of marks secured by 65 students in division A of class X is 5 – McqOptions

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1.	The mean of marks secured by 65 students in division A of class X is 54, 30 students of division B is 50 and that of 55 students of division C is 48. Find theÂ mean of marks of the students of three divisions of Class X.
A.	50.3
B.	49.6
C.	51
D.	52.4
Answer» D. 52.4

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