If the height of a cone be doubled and radius of base remains the same, then the ratio of the volume of the given cone to that of the second cone will be :

If the height of a cone be doubled and radius of base remains the s

1.	If the height of a cone be doubled and radius of base remains the same, then the ratio of the volume of the given cone to that of the second cone will be :
A.	1 : 2
B.	3 : 5
C.	7 : 9
D.	11 : 13
Answer» B. 3 : 5

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If the height of a cone be doubled and radius of base remains the same, then the ratio of the volume of the given cone to that of the second cone will be :

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