The mean of marks secured by 60 students in division A of class X is 6 – McqOptions

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1.	The mean of marks secured by 60 students in division A of class X is 66, 45 students of division B is 62 and that of 75 students of division C is 60. Find theÂ mean of marks of the students of three divisions of Class X.
A.	61.8
B.	62.5
C.	61.1
D.	63.9
Answer» C. 61.1

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