Answer / guest

The minimum number is 5 and they should weigh 1, 3, 9, 27
and 81 kgs

Answer / ankit jain

if weighing scale can have weights on one side only then
its 1,2,4,8,16,32,64 i.e. 7 weights...but if weights can be
put on both sides then its 1,3,9,27,81 i.e. 5

Answer / mahesh

1,3,9,27,81

Answer / the gr8 sam

Answer should be -
1,2,4,8,16,32,64

so the total number is 7 weights.

Answer / ram

It should be , all prime noumbers existing from 1 to 121
required to do this job

or only 1Kg of different(121) pieces suffice to this work

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