A man of 2 m height walks at a uniform speed of 6km/h away from a
lamp post of 6m height. The rate at which the length of his shadow
increases is

A man of height 2 metres walks at uniform speed of 2 km/h away from a lamp post which is 6 metres high. Find the rate at which the length of his shadow increasing.

A man 160 cm tall, walks away from a source of light situated at the top of a pole 6 m high, at the rate of 1.1 m/sec. How fast is the length of his shadow increasing when he is 1 m away from the pole?

A boy '1.2' metres tall stands 1 metre away from the foot of a lamp post. If the length of his shadow is '1.5' metres, what is the height of the lamp post?

A water tank is in the shape of a right circular cone with its axis vertical and vertex down. Its height and diameter are same. Water is powered into it at a constant rate of 2m^3//minute . Find the rate at which water level is increasing when depth of water in the tank is 6m.