'Freedom Trail' is a 2.5 mile long passage that offers a rich insight into the American Revolution. In which US city would you find this famous and historic trail?
The angle of elevation of the top of a pillar from the foot and the top of a building 20 m high, are 60° and 30° respectively. The height of the pillar is
____ enacted during an emergency imposed by Mrs. Indhira Gandhi, is also known as mini constitution because of important & large number of changes made to it.