1.

What might be the weight of the new person? The average weight of 8 person's increases by 2.5 kg when a new person comes in place of one of them weighing 65 kg?

Answer»

The no. of persons are 8

WEIGHT of one of them 65

65×8=520

increasement in weight =2.5kg

increasment in system =520+2.5

=522.5

so,

weight of NEW person =65+2.5

=67.5

I hope it's help u✌



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