{"id":3008,"date":"2025-06-06T14:46:08","date_gmt":"2025-06-06T14:46:08","guid":{"rendered":"https:\/\/diznr.com\/?p=3008"},"modified":"2025-06-06T14:46:08","modified_gmt":"2025-06-06T14:46:08","slug":"previous-year-discrete-mathematics-question-paper-gate-2020-lattices-the-following-is-hasses-the","status":"publish","type":"post","link":"https:\/\/www.reilsolar.com\/pdf\/previous-year-discrete-mathematics-question-paper-gate-2020-lattices-the-following-is-hasses-the\/","title":{"rendered":"Previous year Discrete mathematics question paper- GATE 2025 Lattices The following is the hasses."},"content":{"rendered":"<p>Previous year Discrete mathematics question paper- GATE 2025 Lattices The following is the hasses.<\/p>\n<p>[fvplayer id=&#8221;213&#8243;]<\/p>\n<p data-start=\"0\" data-end=\"249\">I understand you&#8217;re seeking previous GATE exam questions on <strong data-start=\"60\" data-end=\"72\">Lattices<\/strong> in <strong data-start=\"76\" data-end=\"100\">Discrete Mathematics<\/strong>. While I don&#8217;t have access to the exact 2025 GATE question paper, I can provide you with a relevant example from past exams to aid your preparation.<\/p>\n<p data-start=\"251\" data-end=\"272\"><strong data-start=\"251\" data-end=\"272\">Example Question:<\/strong><\/p>\n<p data-start=\"274\" data-end=\"358\"><em data-start=\"274\" data-end=\"358\">Consider the following Hasse diagram representing a partially ordered set (poset):<\/em><\/p>\n<div class=\"contain-inline-size rounded-md border-[0.5px] border-token-border-medium relative bg-token-sidebar-surface-primary\">\n<div class=\"overflow-y-auto p-4\" dir=\"ltr\"><code class=\"!whitespace-pre\">      e<br \/>\n\/ \\<br \/>\n<span class=\"hljs-selector-tag\">b<\/span>   c<br \/>\n\\ \/ \\<br \/>\n<span class=\"hljs-selector-tag\">a<\/span>   d<br \/>\n<\/code><\/div>\n<\/div>\n<p data-start=\"419\" data-end=\"481\"><em data-start=\"419\" data-end=\"481\">Identify all complements of the element &#8216;a&#8217; in this lattice.<\/em><\/p>\n<p data-start=\"483\" data-end=\"496\"><strong data-start=\"483\" data-end=\"496\">Solution:<\/strong><\/p>\n<p data-start=\"498\" data-end=\"568\">In a lattice, an element &#8216;x&#8217; is considered a <strong data-start=\"543\" data-end=\"557\">complement<\/strong> of &#8216;a&#8217; if:<\/p>\n<ol data-start=\"570\" data-end=\"779\">\n<li data-start=\"570\" data-end=\"674\">The <strong data-start=\"577\" data-end=\"598\">least upper bound<\/strong> (LUB) of &#8216;a&#8217; and &#8216;x&#8217; is the greatest element (often denoted as &#8216;1&#8217; or &#8216;I&#8217;).<\/li>\n<li data-start=\"675\" data-end=\"779\">The <strong data-start=\"682\" data-end=\"706\">greatest lower bound<\/strong> (GLB) of &#8216;a&#8217; and &#8216;x&#8217; is the least element (often denoted as &#8216;0&#8217; or &#8216;O&#8217;).<\/li>\n<\/ol>\n<p data-start=\"781\" data-end=\"815\">Analyzing the given Hasse diagram:<\/p>\n<ul data-start=\"817\" data-end=\"903\">\n<li data-start=\"817\" data-end=\"846\"><strong data-start=\"819\" data-end=\"832\">Elements:<\/strong> a, b, c, d, e<\/li>\n<li data-start=\"847\" data-end=\"876\"><strong data-start=\"849\" data-end=\"874\">Greatest element (I):<\/strong> e<\/li>\n<li data-start=\"877\" data-end=\"903\"><strong data-start=\"879\" data-end=\"901\">Least element (O):<\/strong> a<\/li>\n<\/ul>\n<p data-start=\"905\" data-end=\"944\">We need to find elements &#8216;x&#8217; such that:<\/p>\n<ul data-start=\"946\" data-end=\"977\">\n<li data-start=\"946\" data-end=\"961\">LUB(a, x) = e<\/li>\n<li data-start=\"962\" data-end=\"977\">GLB(a, x) = a<\/li>\n<\/ul>\n<p data-start=\"979\" data-end=\"1003\">Evaluating each element:<\/p>\n<ul data-start=\"1005\" data-end=\"1332\">\n<li data-start=\"1005\" data-end=\"1089\">\n<p data-start=\"1007\" data-end=\"1017\"><strong data-start=\"1007\" data-end=\"1017\">x = b:<\/strong><\/p>\n<ul data-start=\"1020\" data-end=\"1089\">\n<li data-start=\"1020\" data-end=\"1035\">LUB(a, b) = b<\/li>\n<li data-start=\"1038\" data-end=\"1053\">GLB(a, b) = a<\/li>\n<li data-start=\"1056\" data-end=\"1089\">Does not satisfy LUB condition.<\/li>\n<\/ul>\n<\/li>\n<li data-start=\"1091\" data-end=\"1170\">\n<p data-start=\"1093\" data-end=\"1103\"><strong data-start=\"1093\" data-end=\"1103\">x = c:<\/strong><\/p>\n<ul data-start=\"1106\" data-end=\"1170\">\n<li data-start=\"1106\" data-end=\"1121\">LUB(a, c) = e<\/li>\n<li data-start=\"1124\" data-end=\"1139\">GLB(a, c) = a<\/li>\n<li data-start=\"1142\" data-end=\"1170\">Satisfies both conditions.<\/li>\n<\/ul>\n<\/li>\n<li data-start=\"1172\" data-end=\"1251\">\n<p data-start=\"1174\" data-end=\"1184\"><strong data-start=\"1174\" data-end=\"1184\">x = d:<\/strong><\/p>\n<ul data-start=\"1187\" data-end=\"1251\">\n<li data-start=\"1187\" data-end=\"1202\">LUB(a, d) = e<\/li>\n<li data-start=\"1205\" data-end=\"1220\">GLB(a, d) = a<\/li>\n<li data-start=\"1223\" data-end=\"1251\">Satisfies both conditions.<\/li>\n<\/ul>\n<\/li>\n<li data-start=\"1253\" data-end=\"1332\">\n<p data-start=\"1255\" data-end=\"1265\"><strong data-start=\"1255\" data-end=\"1265\">x = e:<\/strong><\/p>\n<ul data-start=\"1268\" data-end=\"1332\">\n<li data-start=\"1268\" data-end=\"1283\">LUB(a, e) = e<\/li>\n<li data-start=\"1286\" data-end=\"1301\">GLB(a, e) = a<\/li>\n<li data-start=\"1304\" data-end=\"1332\">Satisfies both conditions.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p data-start=\"1334\" data-end=\"1349\"><strong data-start=\"1334\" data-end=\"1349\">Conclusion:<\/strong><\/p>\n<p data-start=\"1351\" data-end=\"1432\">The elements <strong data-start=\"1364\" data-end=\"1369\">c<\/strong>, <strong data-start=\"1371\" data-end=\"1376\">d<\/strong>, and <strong data-start=\"1382\" data-end=\"1387\">e<\/strong> are complements of &#8216;a&#8217; in the given lattice.<\/p>\n<p data-start=\"1434\" data-end=\"1459\"><strong data-start=\"1434\" data-end=\"1459\">Additional Resources:<\/strong><\/p>\n<p data-start=\"1461\" data-end=\"1612\">For more practice questions and detailed explanations on lattices and other topics in Discrete Mathematics, consider exploring the following resources:<\/p>\n<ul data-start=\"1614\" data-end=\"1975\">\n<li data-start=\"1614\" data-end=\"1796\">\n<p data-start=\"1616\" data-end=\"1796\"><strong data-start=\"1616\" data-end=\"1672\">GeeksforGeeks \u2013 Discrete Mathematics GATE Questions:<\/strong> This resource offers a compilation of previous years&#8217; GATE questions on Discrete Mathematics, including topics on lattices.<\/p>\n<\/li>\n<li data-start=\"1798\" data-end=\"1975\">\n<p data-start=\"1800\" data-end=\"1975\"><strong data-start=\"1800\" data-end=\"1859\">Garg&#8217;s Academy \u2013 Set Theory and Algebra GATE Questions:<\/strong> This platform provides previous year questions on set theory, algebra, and lattices, along with detailed solutions.<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"1977\" data-end=\"2101\">These resources should enhance your understanding and preparation for questions related to lattices in the GATE examination.<\/p>\n<p data-start=\"2103\" data-end=\"2242\"><em data-start=\"2103\" data-end=\"2242\">Note: The provided Hasse diagram and question are illustrative examples to demonstrate the concept of complements in a lattice structure.<\/em><\/p>\n<p>To assist you with previous year GATE questions on lattices and Hasse diagrams, here are some resources and explanations:<\/p>\n<hr \/>\n<h3>\ud83d\udcd8 GATE Previous Year Questions on Lattices and Hasse Diagrams<\/h3>\n<ol>\n<li><strong>GATE CSE 2025 Set 1, Question 28<\/strong>:<br \/>\nThis question involves a lattice <span class=\"katex\">L={p,q,r,s,t}L = \\{ p, q, r, s, t \\}<\/span> represented by a Hasse diagram. It explores properties of join (\u2228) and meet (\u2227) operations within the lattice. You can find the detailed question and its solution here:<\/li>\n<li><strong>Practice Problems on Lattices<\/strong>:<br \/>\nFor additional practice, consider the following resource that provides multiple-choice questions on lattices:<br \/>\n\ud83d\udd17 Sanfoundry: Discrete Mathematics Questions and Answers \u2013 Lattices<\/li>\n<\/ol>\n<hr \/>\n<h3>\ud83d\udcfa Video Tutorials<\/h3>\n<p>To deepen your understanding of Hasse diagrams and lattices, you might find the following video tutorial helpful:(YouTube)<\/p>\n<p>Hasse Diagram and Lattices in Discrete Mathematics<\/p>\n<hr \/>\n<h3>\ud83e\udde0 Understanding Lattices and Hasse Diagrams<\/h3>\n<p>A <strong>lattice<\/strong> is a partially ordered set (poset) in which every pair of elements has both a least upper bound (join) and a greatest lower bound (meet). A <strong>Hasse diagram<\/strong> is a graphical representation of a finite poset, where elements are represented as vertices, and edges indicate the order relation without transitive edges.(Scribd)<\/p>\n<p><strong>Key Concepts<\/strong>:<\/p>\n<ul>\n<li><strong>Join (\u2228)<\/strong>: The least element that is greater than or equal to both elements.<\/li>\n<li><strong>Meet (\u2227)<\/strong>: The greatest element that is less than or equal to both elements.<\/li>\n<li><strong>Complement<\/strong>: In a bounded lattice, an element <span class=\"katex\">x\u2032x&#8217;<\/span> is a complement of <span class=\"katex\">xx<\/span> if <span class=\"katex\">x\u2228x\u2032=1x \u2228 x&#8217; = 1<\/span> and <span class=\"katex\">x\u2227x\u2032=0x \u2227 x&#8217; = 0<\/span>.<\/li>\n<\/ul>\n<hr \/>\n<p>If you have a specific Hasse diagram or question in mind, please provide the details or image, and I can offer a more targeted explanation or solution.<\/p>\n<h3>GATE Mathematics Question Paper with Solution, Download Previous Year Question Paper PDF<\/h3>\n<table>\n<tbody>\n<tr>\n<td>\n<div>GATE Mathematics 2024<\/div>\n<\/td>\n<td>\n<div><a href=\"https:\/\/gate2025.iitr.ac.in\/doc\/download\/2024\/MA24S4.pdf\" target=\"_blank\" rel=\"nofollow noopener noreferrer\">Download PDF<\/a><\/div>\n<\/td>\n<td>\n<div><a href=\"https:\/\/gate2025.iitr.ac.in\/doc\/download\/2024\/MAFinalAnswerKey.pdf\" target=\"_blank\" rel=\"nofollow noopener noreferrer\">Download PDF<\/a><\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"excerpt":{"rendered":"<p>Previous year Discrete mathematics question paper- GATE 2025 Lattices The following is the hasses. [fvplayer id=&#8221;213&#8243;] I understand you&#8217;re seeking previous GATE exam questions on Lattices in Discrete Mathematics. While I don&#8217;t have access to the exact 2025 GATE question paper, I can provide you with a relevant example from past exams to aid your [&hellip;]<\/p>\n","protected":false},"author":71,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[76],"tags":[],"class_list":["post-3008","post","type-post","status-publish","format-standard","hentry","category-discrete-mathematics"],"_links":{"self":[{"href":"https:\/\/www.reilsolar.com\/pdf\/wp-json\/wp\/v2\/posts\/3008","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.reilsolar.com\/pdf\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.reilsolar.com\/pdf\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.reilsolar.com\/pdf\/wp-json\/wp\/v2\/users\/71"}],"replies":[{"embeddable":true,"href":"https:\/\/www.reilsolar.com\/pdf\/wp-json\/wp\/v2\/comments?post=3008"}],"version-history":[{"count":0,"href":"https:\/\/www.reilsolar.com\/pdf\/wp-json\/wp\/v2\/posts\/3008\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.reilsolar.com\/pdf\/wp-json\/wp\/v2\/media?parent=3008"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.reilsolar.com\/pdf\/wp-json\/wp\/v2\/categories?post=3008"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.reilsolar.com\/pdf\/wp-json\/wp\/v2\/tags?post=3008"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}