(1)A river 3m deep and 40m wide is into the sea at the rate of 2km/h . how much water will fall into the sea in a minute
(2) water flows in a tank 60m×40m at the base through the pipe whose cross section is 2dm×1.5dm at the speed of 8km/h . In what time the water will be 5m deep
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app konse class me parte ho????
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Hain bhai hota hai
Mere 4 account the saare ban hogye :==(
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