{"id":85025,"date":"2025-06-01T03:00:24","date_gmt":"2025-06-01T03:00:24","guid":{"rendered":"https:\/\/exam.pscnotes.com\/mcq\/?p=85025"},"modified":"2025-06-01T03:00:24","modified_gmt":"2025-06-01T03:00:24","slug":"in-economics-if-a-diagram-has-a-line-passing-through-the-origin-and-h","status":"publish","type":"post","link":"https:\/\/exam.pscnotes.com\/mcq\/in-economics-if-a-diagram-has-a-line-passing-through-the-origin-and-h\/","title":{"rendered":"In economics, if a diagram has a line passing through the origin and h"},"content":{"rendered":"

In economics, if a diagram has a line passing through the origin and has 45\u00b0 angle with either axis and it is asserted that along the line X = Y, what is tacitly assumed?<\/p>\n

[amp_mcq option1=”Both variables are pure numbers.” option2=”Both variables are in the same unit.” option3=”Both variables are in different units.” option4=”At least one variable is a pure number.” correct=”option2″]<\/p>\n

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This question was previously asked in<\/div>\n
UPSC CDS-1 – 2020<\/div>\n<\/div>\n
Download PDF<\/a>Attempt Online<\/a><\/div>\n<\/div>\n
\nIn a standard two-dimensional Cartesian coordinate system, a line passing through the origin (0,0) has the equation Y = mX, where m is the slope. If the angle with the X-axis (or Y-axis) is 45\u00b0, the slope m = tan(45\u00b0) = 1. Thus, the equation of the line is Y = X. For the numerical values of X and Y to be equal and represented by a 45\u00b0 line through the origin, the scales used on the X-axis and the Y-axis must be the same. This implies that the units of measurement for X and Y, or at least their graphical representation on the axes, are comparable such that equal distances along each axis represent equal changes in the variable’s value. In economic diagrams, this often means the variables are in the same unit (e.g., both in Rupees, both in quantity units) or scaled identically.
\n<\/section>\n
\n– A 45\u00b0 line through the origin in a 2D graph represents the relationship Y=X.
\n– For Y=X to be accurately represented by a 45\u00b0 line, the scales on the X and Y axes must be identical.
\n– This identical scaling is usually interpreted as the variables being in the same unit or having their values measured on the same scale.
\n<\/section>\n
\nIf the scales on the axes were different, a line representing Y=X would not necessarily be 45\u00b0. For example, if the Y-axis was scaled twice as densely as the X-axis, the line Y=X would appear flatter than 45\u00b0. Conversely, if the X-axis was scaled twice as densely, the line would appear steeper.
\n<\/section>\n","protected":false},"excerpt":{"rendered":"

In economics, if a diagram has a line passing through the origin and has 45\u00b0 angle with either axis and it is asserted that along the line X = Y, what is tacitly assumed? [amp_mcq option1=”Both variables are pure numbers.” option2=”Both variables are in the same unit.” option3=”Both variables are in different units.” option4=”At least … <\/p>\n

Detailed SolutionIn economics, if a diagram has a line passing through the origin and h<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1087],"tags":[1288,1112],"class_list":["post-85025","post","type-post","status-publish","format-standard","hentry","category-upsc-cds-1","tag-1288","tag-economic-and-social-development","no-featured-image-padding"],"yoast_head":"\nIn economics, if a diagram has a line passing through the origin and h<\/title>\n<meta name=\"description\" content=\"In a standard two-dimensional Cartesian coordinate system, a line passing through the origin (0,0) has the equation Y = mX, where m is the slope. If the angle with the X-axis (or Y-axis) is 45\u00b0, the slope m = tan(45\u00b0) = 1. Thus, the equation of the line is Y = X. For the numerical values of X and Y to be equal and represented by a 45\u00b0 line through the origin, the scales used on the X-axis and the Y-axis must be the same. This implies that the units of measurement for X and Y, or at least their graphical representation on the axes, are comparable such that equal distances along each axis represent equal changes in the variable's value. In economic diagrams, this often means the variables are in the same unit (e.g., both in Rupees, both in quantity units) or scaled identically. - A 45\u00b0 line through the origin in a 2D graph represents the relationship Y=X. - For Y=X to be accurately represented by a 45\u00b0 line, the scales on the X and Y axes must be identical. - This identical scaling is usually interpreted as the variables being in the same unit or having their values measured on the same scale.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/exam.pscnotes.com\/mcq\/in-economics-if-a-diagram-has-a-line-passing-through-the-origin-and-h\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"In economics, if a diagram has a line passing through the origin and h\" \/>\n<meta property=\"og:description\" content=\"In a standard two-dimensional Cartesian coordinate system, a line passing through the origin (0,0) has the equation Y = mX, where m is the slope. If the angle with the X-axis (or Y-axis) is 45\u00b0, the slope m = tan(45\u00b0) = 1. Thus, the equation of the line is Y = X. For the numerical values of X and Y to be equal and represented by a 45\u00b0 line through the origin, the scales used on the X-axis and the Y-axis must be the same. This implies that the units of measurement for X and Y, or at least their graphical representation on the axes, are comparable such that equal distances along each axis represent equal changes in the variable's value. In economic diagrams, this often means the variables are in the same unit (e.g., both in Rupees, both in quantity units) or scaled identically. - A 45\u00b0 line through the origin in a 2D graph represents the relationship Y=X. - For Y=X to be accurately represented by a 45\u00b0 line, the scales on the X and Y axes must be identical. - This identical scaling is usually interpreted as the variables being in the same unit or having their values measured on the same scale.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/exam.pscnotes.com\/mcq\/in-economics-if-a-diagram-has-a-line-passing-through-the-origin-and-h\/\" \/>\n<meta property=\"og:site_name\" content=\"MCQ and Quiz for Exams\" \/>\n<meta property=\"article:published_time\" content=\"2025-06-01T03:00:24+00:00\" \/>\n<meta name=\"author\" content=\"rawan239\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"rawan239\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minutes\" \/>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"In economics, if a diagram has a line passing through the origin and h","description":"In a standard two-dimensional Cartesian coordinate system, a line passing through the origin (0,0) has the equation Y = mX, where m is the slope. 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In economic diagrams, this often means the variables are in the same unit (e.g., both in Rupees, both in quantity units) or scaled identically. - A 45\u00b0 line through the origin in a 2D graph represents the relationship Y=X. - For Y=X to be accurately represented by a 45\u00b0 line, the scales on the X and Y axes must be identical. - This identical scaling is usually interpreted as the variables being in the same unit or having their values measured on the same scale.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/exam.pscnotes.com\/mcq\/in-economics-if-a-diagram-has-a-line-passing-through-the-origin-and-h\/","og_locale":"en_US","og_type":"article","og_title":"In economics, if a diagram has a line passing through the origin and h","og_description":"In a standard two-dimensional Cartesian coordinate system, a line passing through the origin (0,0) has the equation Y = mX, where m is the slope. 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