a rectangular water reservoir 11m by 4m at the base . water flows into it at the rate of 16m/secs through a pipe having a cross-section 7.7cm×2cm . find the height to which the water will rise in the reservoir in 30 mins
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see actually if you go through it .It is very unique sum.U must try to solve it.Koshish karne walo ki kabhi haar nahi Hoti
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