Math, asked by nayan2691, 7 days ago

The mean marks of 10 students in a class is 80. If the students are divided in to two groups

of 6( Group 1) and 4 (Group 2)respectively .If the mean marks of group 2 is 71 . Mean marks of group 1 will be-------???

Answers

Answered by ankurbanik47

1

Answer:

i think 9 i am confused about this question

Answered by abuchad689

0

Answer:

9

Step-by-step explanation:

Mark me as brainleist.

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