Question

In a box ,there is 10 pkts of chocolates having 10 chocolates in every pkt. normally the chocolates weight is 10 grams each. but in this box in one pkt ,each chocolates are of 9 grams. it is not visuall y find out the pkt which is having 9 grams chocolate. one chance to weight them to find out the pkt of 9gms chocolates. u may open the chocolate pkts.

Answer 1

I guess 9th pkt is having each chocolate as 9 grams