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

Q 2: The ratio of the radius and height of a cylinder is 7:5. The radius is 21cm. Find its curved surface area. 1980 Sq. cm. 1986 Sq. cm. 1982 Sq. cm. 1984 Sq. cm.

Q 3: The total surface area of a cylinder is 528 Sq. cm. and its height is 5cm. Find its volume. 778 c. cm. 776 c. cm. 774 c. cm. 770 c. cm.

Q 4: The slant height of a cone is 8cm. the radius of the base is 49cm. Find the curved surface area. 1232 Sq. cm. 1234 Sq. cm. 1328 Sq. cm. 1230 Sq. cm.

Q 5: The radius of a hemisphere is 10.5 cm. Find its surface area. 693 Sq. cm. 692 Sq. cm. 694 Sq. cm. 691 Sq. cm.

Q 6: The ratio of base radius and height of a cone is 3:4. If the cost of smoothing the curved surface area at 4 cents per Sq. cm. $577.50. Then find volume of liquid contained in it (in liters). 202.129 liters 202.123 liters 202.127 liters 202.125 liters

Q 7: The total surface area of a cylinder is 13200 Sq. cm. and its height is 25cm. Find its volume. 96252 c. cm. 96254 c. cm. 96258 c. cm. 96250 c. cm.

Q 8: Find the surface area of the sphere of diameter is 50.4 cm. 7983.63 Sq. cm. 7938.36 Sq. cm. 7983.36 Sq. cm. 7938.63 Sq. cm.

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