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Mathematics, 05.01.2020 04:31 ronnie7898
3harvesting machines that work in equal efficiencies take 2 hours to harvest one half of a paddy field when used together. what is the number of hours it takes when 4 such machines arw used together to harvest the whole paddy field. answer.
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3harvesting machines that work in equal efficiencies take 2 hours to harvest one half of a paddy fie...
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