Question

14. Water flows out through a circular pipe of internal diameter 2 cm at the rate of 6 metres
per second into a cylindrical tank, the radius of whose base is 60 cm. Find the rise in the
level of water in 30 minutes.
15. The capacity of a closed cylindrical vessel of height 1 m is 15.4 litres. How many square
metres of metal sheet would be needed to make it ?
16. A hollow garden roller nf 63 cm wide with a girth of 440 cm is made of 4 cm thick iron. Find​

Answer 1

Answer:

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Step-by-step explanation:

14. Water flows out through a circular pipe of internal diameter 2 cm at the rate of 6 metres

per second into a cylindrical tank, the radius of whose base is 60 cm. Find the rise in the

level of water in 30 minutes.

15. The capacity of a closed cylindrical vessel of height 1 m is 15.4 litres. How many square

metres of metal sheet would be needed to make it ?

16. A hollow garden roller nf 63 cm wide with a girth of 440 cm is made of 4 cm thick iron. Find