TOP 30 QUESTIONS

An observer in a boat finds that the angle of elevation of a tower standing on the top of a cliff is 60^(@) and that of the top of cliff is 30^(@). If the height of the tower be 60 meters,then the height of the cliff is

The angle of elevation of the top of a chimney from the top of a tower is 60^(@) and the angle of depression of foot of the chimney from the top of the tower is 30^(@). If the height of the tower is 40m find the height of the chimney.

The angles of elevation of the top of a temple , from the foot and the top of a building 30 m high are 60^(@)and30^(@) respectively .Then the height of the temple is

The temperature at the foot of a mountain is 30^(@)C and pressure is 760 mm Hg , whereas at the top of the densities of air at the foot and top of the mountain.

The angles of elevation of the top of a tower at the top and the foot of a pole of height 10m are 30^(@) and 60^(@) respectively.The height of the tower is