Q 1: Surface area of a sphere whose radius is 3.5 cm. is _______. None of these 156 Sq. cm. 154 Sq. cm. 152 Sq. cm.

Q 2: The surface area of a sphere is 616 Sq. cm., then its radius = ______. 8 cm. 7 cm. 6 cm. 9 cm.

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

Q 4: Curved surface area of a hemisphere is _______. None of these 4 * pi * r^{2} 3 * pi * r^{2} 2 * pi * r^{2}

Q 5: Volume of the sphere of radius 6.3 cm. is ________. 1049.816 cu. cm. 1047.816 cu. cm. 1049.816 cu. cm. None of these

Q 6: Volume of sphere of radius r =______. 4/3 * pi * r^{3} 4 * pi * r^{2} 2 * pi * r^{3} None of these

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