Question

A cylindrical vessel of base radius 12 m and height 10 m is filled with water. This water leaks through a hole is the bottom and collects in a conical jar of radius 12 m. The liquid level in the jar is :15 m25 m20 m30 m

Answer 1

volume of cylinder=volume of cone

πr²h=1/3πr²h

π*12²*10=1/3π*12²*h

10=1/3*h

h=30m

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