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Debanjana Adhikari posted an Question
August 08, 2020 • 22:16 pm 30 points
  • CSIR NET
  • Physical Sciences

11. twenty-onè litres of water in a tank is to be divided into three equal parts using only 5,8 and 12 litre capacity cans. the minimum number of transfers need

11. Twenty-onè litres of water in a tank is to be divided into three equal parts using only 5,8 and 12 litre capacity cans. The minimum number of transfers needed to achieve this is 1. 3 3. 5 2. 4 4. 7

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    Chandra prakash

    first fill the can 12 lit. then with this can fill 5 lit. can by doing so you get 7lit. of water in 12 lit can. separate this water in 8lit can and add 5lit. water in (which is in 5lit. can) to the trank. doing this again you get 7lit water in 12 lit. can. so at this time you get 7lit water in 8lit.can(1st case), 7lit. water in 12 lit. can and finally 7lit. water in trank.

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  • Nirmal best-answer

    first fill the can 12 lit. then with this can fill 5 lit. can by doing so you get 7lit. of water in 12 lit can. separate this water in 8lit can and add 5lit. water in (which is in 5lit. can) to the trank. doing this again you get 7lit water in 12 lit. can. so at this time you get 7lit water in 8lit.can(1st case), 7lit. water in 12 lit. can and finally 7lit. water in trank.

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