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Mathematics, 07.07.2020 02:01 ariellllllllllllllll

The mean marks obtained by 9 students of class 6 in an exam is 50 among them the marks obtained by 8 students are 60, 40, 50,30,80,40,45 and 40 what is the marks of remaining one student?

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The mean marks obtained by 9 students of class 6 in an exam is 50 among them the marks obtained by 8...

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