The average weight of 8 person's increases by 2.5 kg when a new person comes in place ofone of them weighing 65 kg. what might be the weight of the new person?
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mmmmmmmmm
so the the totat weight increase=8×2.5
=20 kg
so
the weight of new person shoul be
65+20
=85...!
so the the totat weight increase=8×2.5
=20 kg
so
the weight of new person shoul be
65+20
=85...!
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