one man can do a piece of work in 3 hour and another can do the same piece of work in 2 hours . how long will they take if they work together
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Step-by-step explanation:
Time take by A to complete a work is 3 hours. Time take by B to complete a work is 2 hours. Therefore, they would take hours to complete the work together. hours = 1 hr 12 minutes.
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1 hours 12 min
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