Pipe A can fill up a tank in 40 minutes and pipe b can fill up the same tank in 30 minutes, how many inutes will it take for the pipes together to fill up the tank?

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Job Solution Rupali Bank Ltd Rupali Bank Ltd - Officer 28.05.2010 গণিত
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What number should be divided by0.25 to give the result as 25?

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Information : 10 persons work 8 hours a day and compete a job in 3 days. Calculation: How many persons can do the job in 2 days?

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