Water is dripping out from a conical funnel of semi-vertical angle `pi/4` at the uniform rate of `2c m^3//s e c` in its surface area through a tiny hole at the vertex in the bottom. When the slant height of the water is 4cm, find the rate of decrease of the slant height of the water.

Water is dripping out from a conical funnel of semi-vertical angle pi/4 at the uniform rate of 2cm^2//sec in the surface through a tiny hole at the vertex of the bottom. When the slant height of the water level is 4 cm, find the rate of decrease of the slant heights of the water.

Water is dripping out from a conical funnel at a uniform rate of 4c m^3//c m through a tiny hole at the vertex in the bottom. When the slant height of the water is 3cm, find the rate of decrease of the slant height of the water-cone. Given that the vertical angle of the funnel is 120^0dot

Water is dripping out from a conical funnel at a uniform rate of 4c m^3//c m through a tiny hole at the vertex in the bottom. When the slant height of the water is 3cm, find the rate of decrease of the slant height of the water-cone. Given that the vertical angle of the funnel is 120^0dot

Water is dripping out of a conical funnel of semi-vertical angle 45^@ at rate of 2(cm^3)/s . Find the rate at which slant height of water is decreasing when the height of water is sqrt(2) cm.

The area of the curved surface of a cone is 60pi\ c m^2dot If the slant height of the cone be 8cm, find the radius of the base.

Water is dropped at the rate of 2 m^3 /s into a cone of semi-vertical angle is 45^@ . If the rate at which periphery of water surface changes when the height of the water in the cone is 2m is d. Then the value of 5d is _____ m/sec

Water is dropped at the rate of 2 m^3 /s into a cone of semi-vertical angle is 45^@ . If the rate at which periphery of water surface changes when the height of the water in the cone is 2m is d. Then the value of 5d is _____ m/sec

Water flows into a large tank with flat bottom at the rate of 10^(-4) m^(3)s^(-1) . Water is also leaking out of a hole of area 1 cm^(2) at its bottom. If the height of the water in the tank remains steady, then this height is :

Curved surface area of a cone is 308\ c m^2 and its slant height is 14cm. Find the radius of the base and total surface area of the cone.

Curved surface area of a cone is 308\ c m^2 and its slant height is 14cm. Find the radius of the base and total surface area of the cone.