JEE Main 201912 Apr, Morning shiftMathematicsMediumLimit, Continuity and Differentiability420× since 2002
A 2 m ladder leans against a vertical wall. If the top of the ladder begins to slide down the wall at the rate
25 cm/sec, then the rate (in cm/sec.) at which the bottom of the ladder slides away from the wall on the
horizontal ground when the top of the ladder is 1 m above the ground is :