Question

16. The average weight of 12 parcels
is 1.8 kg. Addition of another
new parcel reduces the average
weight by 50 g. What is the weight
of the new parcel?​

Answer 1

average of 12 parcel = 1800g

average weight reduced by 50g = 1750

average of 13 = 1750

let the weight of new parcel is x so

1800+x/13=1750

x= 12g

$....$