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UPSC 2015 CDS II Math Paper

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Question : 51

Total: 100

A pipe with square cross-section is supplying water to a cistern which was initially empty. The area of cross-section is 4 cm2 and the nozzle velocity of water is 40 m/s. The dimensions, of the cistern are 10 m x 8 m x 6 m. Then the cistern will be full in

9.5 hours
9 hours
8 hours 20 minutes
8 hours

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