Three groups of 10 kids. The average weight of a kid in each group is 35 kilograms. One more kid joined each group.
i) The average weight of a kid in the first group is still 35 kilograms.
ii) The average weight of a kid in the second group is now 36 kilograms.
iii) The average weight of a kid in the third group is now 34 kilograms. Compute the weight of the new kid in each group.

Explanation

(i) The weight of the new kid in the first group `=35` kilograms
ii) The weight of the new kid in the second group
=36+10 xx 1 =46 kilograms

iii) The weight of the new kid in the third group
=34-10 xx 1