Everyday in his business a merchant had to weigh amounts
from 1 kg to 121 kgs, to the nearest kg. What are the
minimum number of different weights required and how heavy
should they be?

Answers were Sorted based on User's Feedback



Everyday in his business a merchant had to weigh amounts from 1 kg to 121 kgs, to the nearest kg. W..

Answer / guest

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

Is This Answer Correct ?    43 Yes 8 No

Everyday in his business a merchant had to weigh amounts from 1 kg to 121 kgs, to the nearest kg. W..

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

Is This Answer Correct ?    15 Yes 0 No

Everyday in his business a merchant had to weigh amounts from 1 kg to 121 kgs, to the nearest kg. W..

Answer / mahesh

1,3,9,27,81

Is This Answer Correct ?    4 Yes 1 No

Everyday in his business a merchant had to weigh amounts from 1 kg to 121 kgs, to the nearest kg. W..

Answer / the gr8 sam

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

so the total number is 7 weights.

Is This Answer Correct ?    6 Yes 7 No

Everyday in his business a merchant had to weigh amounts from 1 kg to 121 kgs, to the nearest kg. W..

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

Is This Answer Correct ?    4 Yes 11 No

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