Water flows out through a circular pipe whose internal diameter is 2 cm.

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Water flows out through a circular pipe whose internal diameter is 2 cm , at the rate of 6 metres per second into a cylindrical tank. The radius of whose base is 60 cm . The rise in the level of water in 30 minutes is

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r=1cm=0.01m

d=2cm

Volume Πr²h = π × (0.01)²× 6m³/s

In 30mins,volume of water = π × (0.01)²× 6 × 30 × 60

So,acc to data given,

π × (0.01)²× 6 × 30 × 60 = Π × (60)²× h

So, h=3m

Hence,the correct answer is 3m.

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