The rate of change of the volume of a sphere w.r.t. its surface area, when the radius is 2 cm, is        1       (b)  2            (c)  3        (d)  4

Find the rate of change of volume of a sphere with respect to its surface area when the radius is 2cm.

The rate of change of the area of a circle with respect to its radius r at r = 6 cm is

Find the rate of change of the area of a circle per second with respect to its radius r when r = 5 cm.

The radius of sphere is 3.5 cm Find its surface area and volume .

Find the volume and the total surface area of a hemisphere of radius 3.5 cm . (pi= (22)/(7))

Find the rate of change of the area of a circle with respect to its radius r when (a) r=3 cm " " (b) r=4 cm

Find the volume and surface area of a sphere of radius 2.1 cm (pi = (22)/(7))

The radius of a sphere is measured as (2.1 pm 0.5)cm . Its surface area with error limits is :

The radius of a right circular cylinder increases at the rate of 0.1 cm/min, and the height decreases at the rate of 0.2 cm/min. The rate of change of the volume of the cylinder, in c m^2//m in , when the radius is 2c m and the height is 3cm is -2p (b) -(8pi)/5 -(3pi)/5 (d) (2pi)/5