Vijendra walks to his south-east side for 10 km. From there he turns 90 degree anti-clockwise and walks 10km and then he again turns 90 degree clockwise and travels 10 km. In which direction is he from his original position?
From the top of a tower 60 mts high the angle of depression of the top and bottom of a pole are observed to be 45° and 60° respectively. If the pole and tower stand on the same plane, the height of the pole in meters is