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Water is flowing at the rate of 15km/hou...

Water is flowing at the rate of 15km/hour through a pipe of diameter 14cm into a cuboidal pond which is 50m long and 44m wide. In what time will the level of water in the pond rise by 21cm?

Text Solution

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Quantity of water flowing through pipe in 1 hour
`= pi xx (7)/(100)xx (7)/(100) xx 15000m^(3)`
Required time `= (50 xx 44 xx (21)/(100))div (pi xx (7)/(100) xx (7)/(100) xx 15000)`
= 2 hours
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