Volume of spherical balloon before inflating-4/3πr³, Volume of spherical balloon after inflating-4/3π(2r)³ Ratio of volume of infalte balloon to original =4/3π(2r)³/4/3πr³ =2r³/r³=(2)³(r)³/(r)³ =2³/1 =8/1=8:1, so option 'A' is correct
Volume of spherical balloon before inflating-4/3πr³,Volume of spherical balloon after inflating-4/3π(2r)³Ratio of volume of infalte balloon to original=4/3π(2r)³/4/3πr³=2r³/r³=(2)³(r)³/(r)³=2³/1=8/1=8:1, so option 'A' is correct
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Volume of spherical balloon before inflating-4/3πr³,Volume of spherical balloon after inflating-4/3π(2r)³Ratio of volume of infalte balloon to original=4/3π(2r)³/4/3πr³=2r³/r³=(2)³(r)³/(r)³=2³/1=8/1=8:1, so option 'A' is correct