The ratio of radii of two right circular cylinders is 6:7 and their he – McqOptions

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1.	The ratio of radii of two right circular cylinders is 6:7 and their heights are in the ratio 5:9. The ratio of their respective curved surface areas is
A.	14:15
B.	17:19
C.	23:29
D.	10:21
Answer» E.

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