A water tank can be filled by two pipes A and B in 60 minutes and 40 minutes respectively. How many minutes will it take to fill the tankfrom empty state if B is used for half the time , and A B fill it together for the other half?

Created: 5 months ago | Updated: 3 months ago
Job Solution Jamuna Bank Ltd Jamuna Bank Ltd - Probationary Officer - 21.12.2012 গণিত
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