Worker A takes 8 hours to do a job . Worker B takes 10 hours to do the same job. How long should it take both A and B, working together but independently , to do the same job?

Created: 3 months ago | Updated: 1 month ago

4 \frac{4}{9} d a y s

4 \frac{4}{7} d a y s

4 \frac{3}{8} d a y s

None of these

Job Solution Janata Bank Ltd Janata Bank Ltd - Asst. Executive Officer - 09.01.2015 গণিত

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