A ladder is placed along a wall such that its upper end is touching the top of the wall. The foot of the ladder is 10 ft away from the wall and the ladder is making an angle of 60° with the ground. When a man starts dimning on it, it slips and now ladder makes an angle of 30° with ground. How much did the ladder slip vertically?
Watch SolutionTwo objects are moving on a circular path of length 600 m at a speed of 20 m/sec and 50 m/sec in the same direction. At how many point will both the objects meet on a circular path if they are continuously moving?
Watch SolutionA sold a camera to B for Rs 4860 at a loss of 19%. Again B sold it to C at a price that would give A a profit of 17%. The gain percentage of B is
Watch SolutionPipes A and B can fill a tank in 10 hours and 40 hours, respectively. C is an outlet pipe attached to the tank. If all the three pipes are opened simultaneously, it takes 80 minutes more time than what pipes A and B together take to fill the tank. A and B are kept opened for 7 hours and then closed and C was opened. C will now empty the tank in :
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