Question

32. The radii of cylinders of equal height vary directly
with the square root of their volumes. The radii of
cylinders of equal volume vary inversely as the
square root of their heights. The radius of a cylinder
is 10 cm when its volume is 1500 cm and height is
5 cm. Find the radius of the cylinder of volume
2400 cm and height 2 cm
(A) 10 cm
(B) 15 cm
(C) 20 cm
(D) 25 cm​

Answer 1

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