Q 1: Volume of the sphere of radius 6.3 cm. is ________. 1047.816 cu. cm. None of these 1049.816 cu. cm. 1049.816 cu. cm.

Q 2: Surface area of a sphere is _____. 2 * pi * r^{2} 4 * pi * r^{2} 3 * pi * r^{2} None of these

Q 3: Volume of sphere of radius r =______. 4 * pi * r^{2} None of these 4/3 * pi * r^{3} 2 * pi * r^{3}

Q 4: Surface area of a sphere whose radius is 3.5 cm. is _______. None of these 154 Sq. cm. 152 Sq. cm. 156 Sq. cm.

Q 5: The surface area of a sphere is 616 Sq. cm., then its radius = ______. 9 cm. 8 cm. 7 cm. 6 cm.

Q 6: The total surface area of a hemisphere is ______. 2 * pi * r^{2} 4 * pi * r^{2} None of these 3 * pi * r^{2}

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