1.

ater flows out through a circular pipe whose interliameter is 2 cm, at the rate of 6 meters per secnto a cylindrical tank, the radius of whose base ism. Find the rise in the level of water in 30 minuta) 2 metresc) 6 metres(b) 4 metres(d) 3 metres

Answer» <p>is it wrote or not</p>


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