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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

#### Puzzle No. 22

*Posted 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?

Click to show/hide hint

Solution will be available on 03 June 2016