Math, asked by Sanskritigarg959, 1 year ago

A group of 210 students appeared in some test. the mean of 1/3 rd of students is found to be 60. the mean of the remaining students is found to be 78. the mean of the whole group will be how to calculate it

Answers

Answered by pshivam9
0
the mean of the whole group is 72
Answered by siddharth4723
0

your answer is 72

so please

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