A WEIGHTY PROBLEM

Q. Various types of customers use to visit Lala Janakidas’ shop. This involves weighing of things right from 1 kg to 364 kg usually. Lalaji desires to use the minimum number of weights. Would you be able to tell the number of weights and their weighing capacity which would enable Lalaji to weigh from 1 kg to 364 kg of goods with the help of minimum number of weights.

Answer

A. Only 6 weights of 1, 3, 9, 27, 81 and 243 kg.