Puzzle of the day: 145
Minimum number of weight bars required to major all the weights from 1 to 41kgs on a weighing balance?
- 8
- 20
- 4
- 14
Minimum number of weight bars required to major all the weights from 1 to 41kgs on a weighing balance?
Anwer: (C) 4 Solution 1, 3, 9 , 27 1 and 3 can major 2 as well and upto 4 Further since now we can have 4 in total so 4 and 9 can major 13 max and 5 minimum, (3 and 9 can be used for 6 and 12), Same way since now we have all weight from 1 to 13 available the available, now with 27 minimum 14 can be weighed and maximum 41.
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