Math, asked by Yashdeek9694, 1 month ago

the average height of a group of 50 person is 130 cm. if 5 person having an average having of 160 cm leave the group, and if 5 person having an average height of 142 cm join the group. then find the new average height of the group.

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Answered by adishk

1

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if u understand my hand writing u can write it

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