If the ratio of radii of two cylinders is 2 ∶ 3 and the ratio of the – McqOptions

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1.	If the ratio of radii of two cylinders is 2 ∶ 3 and the ratio of their heights is 5 ∶ 3, then the ratio of their volumes is
A.	20 ∶ 27
B.	21 ∶ 25
C.	27 ∶ 25
D.	None of the above
Answer» B. 21 ∶ 25

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