If the rate of change in the perimeter of a square is k times the rate of change in its side then k=

If the rate of change of sine of an angle theta is k, then the rate of change of its tangent is

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

If the rate of change of area of a square plate is equal to that of the rate of change of its perimeter, then length of the side, is

If the rate of change of volume of a sphere is the same as rate of change of its radius,then radius,is equal to

The rate of change of volume of a sphere is equal to the rate of change of its radius, then its radius is equal to

A variable trisriable triangle is inscribed in a circle ofus R. If the rate of change of a side is R xx the rate of change of the opposite angle,then the opposite angle is

If the radius of the circle changes at the rate of 0.04 cm//sec , then the rate of change of its area, when radius is 10 cm, is

The sides of a square area is increasing at the rate of 0.5 cm/sec. If the side of a square is 10 cm long, then the rate of increase of its perimeter is

If the rate of change in y=(x^(3))/(3)-x^(2)-30x is 5 times the rate of change in x, then :x =

If the rate change in y=2x^(3)+3x^(2)-30x+8 is 6 times the rate of change in x , then :x=