Question

the average weight of 12 boys is 25 kg if the average weight of 7 boys among than be 20 kg what is the average weight of remaining 5 boys
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Answer 1

Given :

• the average weight of 12 boys is 25 kg if the average weight of 7 boys among than be 20 kg

To find :

• what is the average weight of remaining 5 boys

Solution :

Average weight of 12boys

==> 25kg

Total weight of 12boys

==> 12 x 25

==> 300kg

Average weight of 7boys

==> 20kg

Total weight of 7boys

==> 7 x 20

==> 140kg

Total weight of 5boys = Total weight of 12boys - Total weight of 7boys

==> 300 - 140

==> 160kg

Average weight of 5 boys

==> 160/5

==> 32kg

∴ Average weight of boys is 32 kg

Answer 2

REFER TO THE ATTACHMENT

HOPE IT HELPS :)