Question
Two points P and Q are at the distance of x and y (where
y > x) respectively from the base of a building and on a straight line. If the angles of elevation of the top of the building from points P and Q are complementary, then what is the height of the building?Solution

Which Constitutional Amendment Act revised Article 312 (1) of the Indian Constitution to empower Parliament to create All-India Services?
What is the maximum number of members allowed in the Lok Sabha?
Which of the following parts of the Indian Constitution guarantees the protection of minority rights?
Who is known as the guardian and final interpreter of the Constitution?
Who was the first President of the Constituent Assembly of India?
The first five-year plan in India was launched in which year?
Who was first law Minister of India?
The fundamental duties of Indian citizens were incorporated into the Indian Constitution under which amendment.
Which of the following is not a part of the Fundamental Duties under the Indian Constitution?
Which article of the Indian Constitution deals with the formation of new states and alteration of areas, boundaries, or names of existing states?