If the volume and surface area of a sphere are numerically the same, then its radius is (a) 1 unit     (b) 2 units    (c) 3 units    (d) 4  units

Tick the correct answer in the following and justify your choice : If the perimeter and the area of a circle are numerically equal, then the radius of the circle is (A) 2 units (B) pi units (C) 4 units (D) 7 units

Tick the correct answer in the following and justify your choice: If the perimeter and the area of a circle are numerically equal,then the radius of the circle is (A) 2units (B) pi units (C) 4 units (D) 7 units

Tick the correct answer in the following and justify your choice : If the perimeter and the area of a circle are numerically equal, then the area of a circle are numerically equal, then the radius of the circle is (A) 2 units (B) pi units (C)" 4 units " (D) 7 units

Surface area of a sphere is ……….. sq. units.

If the rate of change of area of a circle is equal to the rate of change of its diameter, then its radius is equal to (a) unit (b) unit (c) units (d) units

A right pyramid has an equilateral triangular base of side 4 units. If the number of square units of its whole surface area is three times the number of cubic units of its volume, find its height. (a) 3 units (b) 4 units (c) 5 units (d) 6 units

If the whole surface area of a sphere be Pid^2 sq.unit, then the volume of the sphere be

The total surface area of a sphere is 8pi square unit. The volume of the sphere is

The area of a circle whose area and circumference are numerically equal, is (a) 2pi sq. units (b) 4pi sq. units (c) 6pi sq. units (d) 8pi sq. units

The area of a circle whose area and circumference are numerically equal, is (a) 2pi sq. units (b) 4pi sq. units (c) 6pi sq. units (d) 8pi sq. units