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Puzzle No. 22Posted on 27 May 2016
A shopkeeper wants to buy several weight stones for his pan balance; using which he would be to able to measure all multiples of 1 kg, starting from 1 kg upto 10 kg. There are stones of every weight available for him to purchase. What is the minimum number of stones that the shopkeeper will have to buy?
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Solution will be available on 03 June 2016