Ans: points of equal elevation ( height ) above a given level , such as mean sea level
Ques: A contour line (also isocline, isopleth, isarithm, or equipotential curve) of a function of two variables is a curve along which the function has a constant value, so that the curve joins points of equal value. It is a plane section of the three-dimensional graph of the function f (x, y) parallel to the x, y plane. In cartography, a contour line (often just called a "contour") joins points of equal elevation (height) above a given level, such as mean sea level. A contour map is a map illustrated with contour lines, for example a topographic map, which thus shows valleys and hills, and the steepness or gentleness of slopes. The contour interval of a contour map is the difference in elevation between successive contour lines.

Answer this question: what is a contour line on a topographic map?
CoT: This is the relevant information: In cartography, a contour line (often just called a "contour") joins points of equal elevation (height) above a given level, such as mean sea level.

Ans: Mahindra Tractors
Ques: Mahindra Tractors is an international farm equipment manufacturer of Mahindra & Mahindra. In 2010, Mahindra became the world's highest-selling tractor brand by volume. Mahindra's largest consumer base is in India, China, North America, and a growing market in Australia. The company is the largest manufacturer in India and has the capacity to build 150,000 tractors a year.

Based on this passage, who is the largest tractor manufacturer in the world?
CoT: To answer the question, consider the following: In 2010, Mahindra became the world's highest-selling tractor brand by volume.

Ans: Tim Berners - Lee
Ques: Passage: Weaving the Web: The Original Design and Ultimate Destiny of the World Wide Web by its inventor (1999) is a book written by Tim Berners-Lee describing how the world wide web was created and his role in it. It is the only book written by Berners-Lee.

Question: Based on this passage, who is the author of weaving the web?
CoT: This is the relevant information: Weaving the Web: The Original Design and Ultimate Destiny of the World Wide Web by its inventor (1999) is a book written by Tim Berners-Lee describing how the world wide web was created and his role in it.

Ans: Amitabh Bachchan
Ques: The first recipient was Uttam Kumar from Bengali cinema, who was honoured at the 15th National Film Awards in 1968 for his performances in Anthony Firingee and Chiriyakhana. As of 2017, Amitabh Bachchan is the most honoured actor, with four awards. Two actors -- Kamal Haasan and Mammootty -- have been honoured three times, while six actors -- Sanjeev Kumar, Mithun Chakraborty, Om Puri, Naseeruddin Shah, Mohanlal, and Ajay Devgn -- have won the award two times. Two actors have achieved the honour for performing in two languages -- Mithun Chakraborty (Hindi and Bengali) and Mammootty (Malayalam and English). The most recent recipient is Akshay Kumar, who was honoured at the 64th National Film Awards for his performance in the 2016 Hindi film Rustom.

Answer this question: which indian actor has won the most national awards?
CoT: This is the relevant information: As of 2017, Amitabh Bachchan is the most honoured actor, with four awards.