{"id":90171,"date":"2025-06-01T10:22:13","date_gmt":"2025-06-01T10:22:13","guid":{"rendered":"https:\/\/exam.pscnotes.com\/mcq\/?p=90171"},"modified":"2025-06-01T10:22:13","modified_gmt":"2025-06-01T10:22:13","slug":"if-all-students-are-boys-and-all-boys-are-dancers-then-which-one-of-t","status":"publish","type":"post","link":"https:\/\/exam.pscnotes.com\/mcq\/if-all-students-are-boys-and-all-boys-are-dancers-then-which-one-of-t\/","title":{"rendered":"If all students are boys and all boys are dancers, then which one of t"},"content":{"rendered":"<p>If all students are boys and all boys are dancers, then which one of the following statements is definitely true?<\/p>\n<p>[amp_mcq option1=&#8221;All dancers are boys&#8221; option2=&#8221;All boys are students&#8221; option3=&#8221;All dancers are students&#8221; option4=&#8221;All students are dancers&#8221; correct=&#8221;option4&#8243;]<\/p>\n<div class=\"psc-box-pyq-exam-year-detail\">\n<div class=\"pyq-exam\">\n<div class=\"psc-heading\">This question was previously asked in<\/div>\n<div class=\"psc-title line-ellipsis\">UPSC CAPF &#8211; 2017<\/div>\n<\/div>\n<div class=\"pyq-exam-psc-buttons\"><a href=\"\/pyq\/pyq-upsc-capf-2017.pdf\" target=\"_blank\" class=\"psc-pdf-button\" rel=\"noopener\">Download PDF<\/a><a href=\"\/pyq-upsc-capf-2017\" target=\"_blank\" class=\"psc-attempt-button\" rel=\"noopener\">Attempt Online<\/a><\/div>\n<\/div>\n<section id=\"pyq-correct-answer\">\nThe given statements are:<br \/>\n1. All students are boys. (If someone is a student, then that person is a boy. Student -> Boy)<br \/>\n2. All boys are dancers. (If someone is a boy, then that person is a dancer. Boy -> Dancer)<br \/>\nWe can combine these two conditional statements using the principle of transitivity:<br \/>\nIf Student -> Boy and Boy -> Dancer, then it logically follows that Student -> Dancer.<br \/>\nThis means, &#8220;If someone is a student, then that person is a dancer,&#8221; which can be rephrased as &#8220;All students are dancers.&#8221;<br \/>\nLet&#8217;s examine the options based on this deduction:<br \/>\nA) All dancers are boys (Dancer -> Boy). This is the converse of &#8220;All boys are dancers&#8221; and is not necessarily true.<br \/>\nB) All boys are students (Boy -> Student). This is the converse of &#8220;All students are boys&#8221; and is not necessarily true.<br \/>\nC) All dancers are students (Dancer -> Student). This is the converse of the derived conclusion &#8220;All students are dancers&#8221; and is not necessarily true.<br \/>\nD) All students are dancers (Student -> Dancer). This is the direct logical conclusion derived from the premises.<br \/>\n<\/section>\n<section id=\"pyq-key-points\">\nThis problem requires understanding logical implication and how to chain conditional statements (syllogism). If P implies Q, and Q implies R, then P implies R.<br \/>\n<\/section>\n<section id=\"pyq-additional-information\">\nUsing Venn diagrams can also help visualize this. Draw a circle for &#8216;Students&#8217; inside a circle for &#8216;Boys&#8217;. Then draw the &#8216;Boys&#8217; circle inside a larger circle for &#8216;Dancers&#8217;. It becomes clear that the &#8216;Students&#8217; circle is entirely contained within the &#8216;Dancers&#8217; circle, meaning all students are dancers. The reverse relationships (e.g., all dancers are boys) are not guaranteed, as there can be dancers who are not boys (and thus not students).<br \/>\n<\/section>\n","protected":false},"excerpt":{"rendered":"<p>If all students are boys and all boys are dancers, then which one of the following statements is definitely true? [amp_mcq option1=&#8221;All dancers are boys&#8221; option2=&#8221;All boys are students&#8221; option3=&#8221;All dancers are students&#8221; option4=&#8221;All students are dancers&#8221; correct=&#8221;option4&#8243;] This question was previously asked in UPSC CAPF &#8211; 2017 Download PDFAttempt Online The given statements are: &#8230; <\/p>\n<p class=\"read-more-container\"><a title=\"If all students are boys and all boys are dancers, then which one of t\" class=\"read-more button\" href=\"https:\/\/exam.pscnotes.com\/mcq\/if-all-students-are-boys-and-all-boys-are-dancers-then-which-one-of-t\/#more-90171\">Detailed Solution<span class=\"screen-reader-text\">If all students are boys and all boys are dancers, then which one of t<\/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":[1085],"tags":[1101,1102],"class_list":["post-90171","post","type-post","status-publish","format-standard","hentry","category-upsc-capf","tag-1101","tag-quantitative-aptitude-and-reasoning","no-featured-image-padding"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v22.2 (Yoast SEO v23.3) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>If all students are boys and all boys are dancers, then which one of t<\/title>\n<meta name=\"description\" content=\"The given statements are: 1. All students are boys. (If someone is a student, then that person is a boy. Student -&gt; Boy) 2. All boys are dancers. (If someone is a boy, then that person is a dancer. Boy -&gt; Dancer) We can combine these two conditional statements using the principle of transitivity: If Student -&gt; Boy and Boy -&gt; Dancer, then it logically follows that Student -&gt; Dancer. This means, &quot;If someone is a student, then that person is a dancer,&quot; which can be rephrased as &quot;All students are dancers.&quot; Let&#039;s examine the options based on this deduction: A) All dancers are boys (Dancer -&gt; Boy). This is the converse of &quot;All boys are dancers&quot; and is not necessarily true. B) All boys are students (Boy -&gt; Student). This is the converse of &quot;All students are boys&quot; and is not necessarily true. C) All dancers are students (Dancer -&gt; Student). This is the converse of the derived conclusion &quot;All students are dancers&quot; and is not necessarily true. D) All students are dancers (Student -&gt; Dancer). This is the direct logical conclusion derived from the premises. This problem requires understanding logical implication and how to chain conditional statements (syllogism). If P implies Q, and Q implies R, then P implies R.\" \/>\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\/if-all-students-are-boys-and-all-boys-are-dancers-then-which-one-of-t\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"If all students are boys and all boys are dancers, then which one of t\" \/>\n<meta property=\"og:description\" content=\"The given statements are: 1. All students are boys. (If someone is a student, then that person is a boy. Student -&gt; Boy) 2. All boys are dancers. (If someone is a boy, then that person is a dancer. Boy -&gt; Dancer) We can combine these two conditional statements using the principle of transitivity: If Student -&gt; Boy and Boy -&gt; Dancer, then it logically follows that Student -&gt; Dancer. This means, &quot;If someone is a student, then that person is a dancer,&quot; which can be rephrased as &quot;All students are dancers.&quot; Let&#039;s examine the options based on this deduction: A) All dancers are boys (Dancer -&gt; Boy). This is the converse of &quot;All boys are dancers&quot; and is not necessarily true. B) All boys are students (Boy -&gt; Student). This is the converse of &quot;All students are boys&quot; and is not necessarily true. C) All dancers are students (Dancer -&gt; Student). This is the converse of the derived conclusion &quot;All students are dancers&quot; and is not necessarily true. D) All students are dancers (Student -&gt; Dancer). This is the direct logical conclusion derived from the premises. This problem requires understanding logical implication and how to chain conditional statements (syllogism). If P implies Q, and Q implies R, then P implies R.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/exam.pscnotes.com\/mcq\/if-all-students-are-boys-and-all-boys-are-dancers-then-which-one-of-t\/\" \/>\n<meta property=\"og:site_name\" content=\"MCQ and Quiz for Exams\" \/>\n<meta property=\"article:published_time\" content=\"2025-06-01T10:22:13+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":"If all students are boys and all boys are dancers, then which one of t","description":"The given statements are: 1. All students are boys. (If someone is a student, then that person is a boy. Student -> Boy) 2. All boys are dancers. (If someone is a boy, then that person is a dancer. Boy -> Dancer) We can combine these two conditional statements using the principle of transitivity: If Student -> Boy and Boy -> Dancer, then it logically follows that Student -> Dancer. This means, \"If someone is a student, then that person is a dancer,\" which can be rephrased as \"All students are dancers.\" Let's examine the options based on this deduction: A) All dancers are boys (Dancer -> Boy). This is the converse of \"All boys are dancers\" and is not necessarily true. B) All boys are students (Boy -> Student). This is the converse of \"All students are boys\" and is not necessarily true. C) All dancers are students (Dancer -> Student). This is the converse of the derived conclusion \"All students are dancers\" and is not necessarily true. D) All students are dancers (Student -> Dancer). This is the direct logical conclusion derived from the premises. This problem requires understanding logical implication and how to chain conditional statements (syllogism). If P implies Q, and Q implies R, then P implies R.","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\/if-all-students-are-boys-and-all-boys-are-dancers-then-which-one-of-t\/","og_locale":"en_US","og_type":"article","og_title":"If all students are boys and all boys are dancers, then which one of t","og_description":"The given statements are: 1. All students are boys. (If someone is a student, then that person is a boy. Student -> Boy) 2. All boys are dancers. (If someone is a boy, then that person is a dancer. Boy -> Dancer) We can combine these two conditional statements using the principle of transitivity: If Student -> Boy and Boy -> Dancer, then it logically follows that Student -> Dancer. This means, \"If someone is a student, then that person is a dancer,\" which can be rephrased as \"All students are dancers.\" Let's examine the options based on this deduction: A) All dancers are boys (Dancer -> Boy). This is the converse of \"All boys are dancers\" and is not necessarily true. B) All boys are students (Boy -> Student). This is the converse of \"All students are boys\" and is not necessarily true. C) All dancers are students (Dancer -> Student). This is the converse of the derived conclusion \"All students are dancers\" and is not necessarily true. D) All students are dancers (Student -> Dancer). This is the direct logical conclusion derived from the premises. This problem requires understanding logical implication and how to chain conditional statements (syllogism). If P implies Q, and Q implies R, then P implies R.","og_url":"https:\/\/exam.pscnotes.com\/mcq\/if-all-students-are-boys-and-all-boys-are-dancers-then-which-one-of-t\/","og_site_name":"MCQ and Quiz for Exams","article_published_time":"2025-06-01T10:22:13+00:00","author":"rawan239","twitter_card":"summary_large_image","twitter_misc":{"Written by":"rawan239","Est. reading time":"2 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/exam.pscnotes.com\/mcq\/if-all-students-are-boys-and-all-boys-are-dancers-then-which-one-of-t\/","url":"https:\/\/exam.pscnotes.com\/mcq\/if-all-students-are-boys-and-all-boys-are-dancers-then-which-one-of-t\/","name":"If all students are boys and all boys are dancers, then which one of t","isPartOf":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/#website"},"datePublished":"2025-06-01T10:22:13+00:00","dateModified":"2025-06-01T10:22:13+00:00","author":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/#\/schema\/person\/5807dafeb27d2ec82344d6cbd6c3d209"},"description":"The given statements are: 1. All students are boys. (If someone is a student, then that person is a boy. Student -> Boy) 2. All boys are dancers. (If someone is a boy, then that person is a dancer. Boy -> Dancer) We can combine these two conditional statements using the principle of transitivity: If Student -> Boy and Boy -> Dancer, then it logically follows that Student -> Dancer. This means, \"If someone is a student, then that person is a dancer,\" which can be rephrased as \"All students are dancers.\" Let's examine the options based on this deduction: A) All dancers are boys (Dancer -> Boy). This is the converse of \"All boys are dancers\" and is not necessarily true. B) All boys are students (Boy -> Student). This is the converse of \"All students are boys\" and is not necessarily true. C) All dancers are students (Dancer -> Student). This is the converse of the derived conclusion \"All students are dancers\" and is not necessarily true. D) All students are dancers (Student -> Dancer). This is the direct logical conclusion derived from the premises. This problem requires understanding logical implication and how to chain conditional statements (syllogism). If P implies Q, and Q implies R, then P implies R.","breadcrumb":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/if-all-students-are-boys-and-all-boys-are-dancers-then-which-one-of-t\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/exam.pscnotes.com\/mcq\/if-all-students-are-boys-and-all-boys-are-dancers-then-which-one-of-t\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/exam.pscnotes.com\/mcq\/if-all-students-are-boys-and-all-boys-are-dancers-then-which-one-of-t\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/exam.pscnotes.com\/mcq\/"},{"@type":"ListItem","position":2,"name":"UPSC CAPF","item":"https:\/\/exam.pscnotes.com\/mcq\/category\/upsc-capf\/"},{"@type":"ListItem","position":3,"name":"If all students are boys and all boys are dancers, then which one of t"}]},{"@type":"WebSite","@id":"https:\/\/exam.pscnotes.com\/mcq\/#website","url":"https:\/\/exam.pscnotes.com\/mcq\/","name":"MCQ and Quiz for Exams","description":"","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/exam.pscnotes.com\/mcq\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"en-US"},{"@type":"Person","@id":"https:\/\/exam.pscnotes.com\/mcq\/#\/schema\/person\/5807dafeb27d2ec82344d6cbd6c3d209","name":"rawan239","image":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/exam.pscnotes.com\/mcq\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/761a7274f9cce048fa5b921221e7934820d74514df93ef195a9d22af0c1c9001?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/761a7274f9cce048fa5b921221e7934820d74514df93ef195a9d22af0c1c9001?s=96&d=mm&r=g","caption":"rawan239"},"sameAs":["https:\/\/exam.pscnotes.com"],"url":"https:\/\/exam.pscnotes.com\/mcq\/author\/rawan239\/"}]}},"amp_enabled":true,"_links":{"self":[{"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/posts\/90171","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/comments?post=90171"}],"version-history":[{"count":0,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/posts\/90171\/revisions"}],"wp:attachment":[{"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/media?parent=90171"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/categories?post=90171"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/tags?post=90171"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}