The radius and the height of a cone are in the ratio 1 : 3 and its vol – McqOptions

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1.	The radius and the height of a cone are in the ratio 1 : 3 and its volume is 1078 cm3, then its diameter is -
A.	3.5 cm
B.	7 cm
C.	14 cm
D.	21 cm
Answer» D. 21 cm

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