{"id":25662492,"date":"2026-10-12T17:35:16","date_gmt":"2026-10-12T12:05:16","guid":{"rendered":"https:\/\/entri.app\/blog\/?p=25662492"},"modified":"2026-10-12T18:14:16","modified_gmt":"2026-10-12T12:44:16","slug":"tnpsc-aptitude-questions","status":"publish","type":"post","link":"https:\/\/entri.app\/blog\/tnpsc-aptitude-questions\/","title":{"rendered":"TNPSC Aptitude Questions with Answers 2026: Online Practice Set for Group 4, Group 2 &#038; Group 1"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_85 counter-hierarchy ez-toc-counter ez-toc-custom ez-toc-container-direction\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<label for=\"ez-toc-cssicon-toggle-item-6accf1ba98bf4\" class=\"ez-toc-cssicon-toggle-label\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/label><input type=\"checkbox\"  id=\"ez-toc-cssicon-toggle-item-6accf1ba98bf4\"  aria-label=\"Toggle\" \/><nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/entri.app\/blog\/tnpsc-aptitude-questions\/#TNPSC_Exams_2026_Aptitude_and_Mental_Ability_Question_Pattern\" >TNPSC Exams 2026: Aptitude and Mental Ability Question Pattern<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/entri.app\/blog\/tnpsc-aptitude-questions\/#Topics_Covered_in_TNPSC_Aptitude_and_Mental_Ability_Questions_2026\" >Topics Covered in TNPSC Aptitude and Mental Ability Questions 2026<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/entri.app\/blog\/tnpsc-aptitude-questions\/#TNPSC_Aptitude_Questions_with_Answers_2026_Quantitative_Aptitude\" >TNPSC Aptitude Questions with Answers 2026: Quantitative Aptitude<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/entri.app\/blog\/tnpsc-aptitude-questions\/#TNPSC_Aptitude_and_Mental_Ability_Questions_2026_Reasoning\" >TNPSC Aptitude and Mental Ability Questions 2026: Reasoning<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/entri.app\/blog\/tnpsc-aptitude-questions\/#TNPSC_Aptitude_Previous_Year_Questions_How_to_Use_Them\" >TNPSC Aptitude Previous Year Questions: How to Use Them<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/entri.app\/blog\/tnpsc-aptitude-questions\/#Tips_to_Solve_TNPSC_Aptitude_Questions_2026\" >Tips to Solve TNPSC Aptitude Questions 2026<\/a><\/li><\/ul><\/nav><\/div>\n<p data-lfile-container=\"10f852a7-6918-4f95-a7e9-ca7daeafedeb\" data-pm-slice=\"1 1 []\">Aptitude and Mental Ability is a short but highly scoring part of TNPSC exams. The questions are of Class 10 standard, and the same question types repeat year after year. The only way to get faster and more accurate is to practice. In this blog, you will find TNPSC Aptitude Questions with Answers, divided into quantitative aptitude and mental ability, along with quick solutions, time-saving tips and a daily practice plan.<\/p>\n<h2 id=\"tnpsc-aptitude-exam-pattern-at-a-glance\"><span class=\"ez-toc-section\" id=\"TNPSC_Exams_2026_Aptitude_and_Mental_Ability_Question_Pattern\"><\/span><strong>TNPSC Exams 2026: Aptitude and Mental Ability Question Pattern<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<table>\n<colgroup>\n<col \/>\n<col \/><\/colgroup>\n<tbody>\n<tr>\n<th colspan=\"1\" rowspan=\"1\">Exam<\/th>\n<th colspan=\"1\" rowspan=\"1\">Aptitude and Mental Ability<\/th>\n<\/tr>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">TNPSC Group 4<\/td>\n<td colspan=\"1\" rowspan=\"1\">25 questions in Part B, along with General Studies (75 questions)<\/td>\n<\/tr>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">TNPSC Group 2 \/ 2A Prelims<\/td>\n<td colspan=\"1\" rowspan=\"1\">25 questions along with General Studies<\/td>\n<\/tr>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">TNPSC Group 1 Prelims<\/td>\n<td colspan=\"1\" rowspan=\"1\">25 questions along with General Studies<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>The standard is SSLC (Class 10). Always check the latest official notification on tnpsc.gov.in for the exact pattern.<\/p>\n<h2 id=\"topics-covered-in-tnpsc-aptitude-and-mental-ability-questions\"><span class=\"ez-toc-section\" id=\"Topics_Covered_in_TNPSC_Aptitude_and_Mental_Ability_Questions_2026\"><\/span><strong>Topics Covered in TNPSC Aptitude and Mental Ability Questions 2026<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><strong>Quantitative Aptitude:<\/strong> simplification, HCF and LCM, percentage, ratio and proportion, average, profit and loss, simple and compound interest, time and work, time, speed and distance, mensuration, algebra, probability.<\/p>\n<p><strong>Mental Ability:<\/strong> number and letter series, odd one out, coding-decoding, direction sense, blood relations, ranking, clock and calendar, age problems.<\/p>\n<p>For formulas and shortcuts, read our TNPSC Maths Notes blog before attempting the questions below.<\/p>\n<h2 id=\"tnpsc-aptitude-questions-with-answers-quantitative-aptitude\"><span class=\"ez-toc-section\" id=\"TNPSC_Aptitude_Questions_with_Answers_2026_Quantitative_Aptitude\"><\/span><strong>TNPSC Aptitude Questions with Answers 2026: Quantitative Aptitude<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><strong>Q1.<\/strong> Find the LCM of 8, 12 and 18.<\/p>\n<p>(a) 36<\/p>\n<p>(b) 48<\/p>\n<p>(c) 72<\/p>\n<p>(d) 144<\/p>\n<p><strong>Answer: (c) 72<\/strong><\/p>\n<p><strong>Q2.<\/strong> What is 20% of 350?<\/p>\n<p>(a) 60<\/p>\n<p>(b) 70<\/p>\n<p>(c) 75<\/p>\n<p>(d) 80<\/p>\n<p><strong>Answer: (b) 70<\/strong><\/p>\n<p><strong>Q3.<\/strong> Two numbers are in the ratio 2 : 3 and their sum is 75. Find the smaller number.<\/p>\n<p>(a) 25<\/p>\n<p>(b) 30<\/p>\n<p>(c) 35<\/p>\n<p>(d) 45<\/p>\n<p><strong>Answer: (b) 30<\/strong> (2\/5 of 75 = 30)<\/p>\n<p><strong>Q4.<\/strong> The average of 6 numbers is 15. If a seventh number 29 is added, what is the new average?<\/p>\n<p>(a) 16<\/p>\n<p>(b) 17<\/p>\n<p>(c) 18<\/p>\n<p>(d) 19<\/p>\n<p><strong>Answer: (b) 17<\/strong> (total = 90 + 29 = 119; 119\/7 = 17)<\/p>\n<p><strong>Q5.<\/strong> A shirt bought for \u20b9800 is sold for \u20b9920. Find the profit percentage.<\/p>\n<p>(a) 10%<\/p>\n<p>(b) 12%<\/p>\n<p>(c) 15%<\/p>\n<p>(d) 20%<\/p>\n<p><strong>Answer: (c) 15%<\/strong> (120\/800 \u00d7 100)<\/p>\n<p><strong>Q6.<\/strong> Find the simple interest on \u20b95,000 at 8% per annum for 2 years.<\/p>\n<p>(a) \u20b9600<\/p>\n<p>(b) \u20b9700<\/p>\n<p>(c) \u20b9800<\/p>\n<p>(d) \u20b9900<\/p>\n<p><strong>Answer: (c) \u20b9800<\/strong><\/p>\n<p><strong>Q7.<\/strong> A can finish a work in 12 days and B in 24 days. In how many days can they finish it together?<\/p>\n<p>(a) 6<\/p>\n<p>(b) 8<\/p>\n<p>(c) 9<\/p>\n<p>(d) 10<\/p>\n<p><strong>Answer: (b) 8 days<\/strong> (12 \u00d7 24 \/ 36)<\/p>\n<p><strong>Q8.<\/strong> Convert 72 km\/h into m\/s.<\/p>\n<p>(a) 15<\/p>\n<p>(b) 18<\/p>\n<p>(c) 20<\/p>\n<p>(d) 25<\/p>\n<p><strong>Answer: (c) 20 m\/s<\/strong> (72 \u00d7 5\/18)<\/p>\n<p><strong>Q9.<\/strong> Find the perimeter of a rectangle of length 15 cm and breadth 8 cm.<\/p>\n<p>(a) 40 cm<\/p>\n<p>(b) 46 cm<\/p>\n<p>(c) 56 cm<\/p>\n<p>(d) 120 cm<\/p>\n<p><strong>Answer: (b) 46 cm<\/strong> (2 \u00d7 (15 + 8))<\/p>\n<p><strong>Q10.<\/strong> What is the volume of a cube of side 5 cm?<\/p>\n<p>(a) 25<\/p>\n<p>(b) 75<\/p>\n<p>(c) 100<\/p>\n<p>(d) 125<\/p>\n<p><strong>Answer: (d) 125 cm\u00b3<\/strong><\/p>\n<p><strong>Q11.<\/strong> Simplify: 15 + 6 \u00d7 4 \u00f7 2<\/p>\n<p>(a) 21<\/p>\n<p>(b) 27<\/p>\n<p>(c) 42<\/p>\n<p>(d) 54<\/p>\n<p><strong>Answer: (b) 27<\/strong> (follow BODMAS: 6 \u00d7 4 \u00f7 2 = 12, then 15 + 12)<\/p>\n<p><strong>Q12.<\/strong> Find the square root of 2025.<\/p>\n<p>(a) 35<\/p>\n<p>(b) 45<\/p>\n<p>(c) 55<\/p>\n<p>(d) 65<\/p>\n<p><strong>Answer: (b) 45<\/strong><\/p>\n<p><strong>Q13.<\/strong> If 3x + 7 = 28, find x.<\/p>\n<p>(a) 5<\/p>\n<p>(b) 6<\/p>\n<p>(c) 7<\/p>\n<p>(d) 8<\/p>\n<p><strong>Answer: (c) 7<\/strong><\/p>\n<p><strong>Q14.<\/strong> A card is drawn from a pack of 52 cards. What is the probability that it is a king?<\/p>\n<p>(a) 1\/4<\/p>\n<p>(b) 1\/13<\/p>\n<p>(c) 1\/26<\/p>\n<p>(d) 4\/13<\/p>\n<p><strong>Answer: (b) 1\/13<\/strong> (4\/52)<\/p>\n<h2 id=\"tnpsc-aptitude-and-mental-ability-questions-reasoning\"><span class=\"ez-toc-section\" id=\"TNPSC_Aptitude_and_Mental_Ability_Questions_2026_Reasoning\"><\/span><strong>TNPSC Aptitude and Mental Ability Questions 2026: Reasoning<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><strong>Q15.<\/strong> Find the next number: 3, 6, 12, 24, ?<\/p>\n<p>(a) 36<\/p>\n<p>(b) 42<\/p>\n<p>(c) 48<\/p>\n<p>(d) 54<\/p>\n<p><strong>Answer: (c) 48<\/strong> (each number is doubled)<\/p>\n<p><strong>Q16.<\/strong> Find the next number: 5, 11, 23, 47, ?<\/p>\n<p>(a) 83<\/p>\n<p>(b) 91<\/p>\n<p>(c) 95<\/p>\n<p>(d) 99<\/p>\n<p><strong>Answer: (c) 95<\/strong> (multiply by 2 and add 1)<\/p>\n<p><strong>Q17.<\/strong> Find the odd one out: 8, 27, 64, 100, 125<\/p>\n<p>(a) 27<\/p>\n<p>(b) 64<\/p>\n<p>(c) 100<\/p>\n<p>(d) 125<\/p>\n<p><strong>Answer: (c) 100<\/strong> (all others are perfect cubes)<\/p>\n<p><strong>Q18.<\/strong> If CAT is coded as DBU, how is DOG coded?<\/p>\n<p>(a) EPH<\/p>\n<p>(b) EPG<\/p>\n<p>(c) DPH<\/p>\n<p>(d) FQI<\/p>\n<p><strong>Answer: (a) EPH<\/strong> (each letter moves one step ahead)<\/p>\n<p><strong>Q19.<\/strong> A man walks 6 km north and then turns right and walks 8 km. How far is he from the starting point? (a) 8 km (b) 10 km (c) 12 km (d) 14 km <strong>Answer: (b) 10 km<\/strong> (6\u00b2 + 8\u00b2 = 10\u00b2)<\/p>\n<p><strong>Q20.<\/strong> What is the angle between the hands of a clock at 3:00?<\/p>\n<p>(a) 60\u00b0<\/p>\n<p>(b) 75\u00b0<\/p>\n<p>(c) 90\u00b0<\/p>\n<p>(d) 120\u00b0<\/p>\n<p><strong>Answer: (c) 90\u00b0<\/strong><\/p>\n<p><strong>Q21.<\/strong> How many odd days are there in a leap year?<\/p>\n<p>(a) 1<\/p>\n<p>(b) 2<\/p>\n<p>(c) 3<\/p>\n<p>(d) 5<\/p>\n<p><strong>Answer: (b) 2<\/strong> (366 days = 52 weeks + 2 days)<\/p>\n<p><strong>Q22.<\/strong> Pointing to a man, a woman says, &#8220;He is the son of my mother&#8217;s only brother.&#8221; How is the man related to the woman?<\/p>\n<p>(a) Brother<\/p>\n<p>(b) Uncle<\/p>\n<p>(c) Cousin<\/p>\n<p>(d) Nephew<\/p>\n<p><strong>Answer: (c) Cousin<\/strong><\/p>\n<p><strong>Q23.<\/strong> In a class, Ravi ranks 10th from the top and 25th from the bottom. How many students are there in the class?<\/p>\n<p>(a) 33<\/p>\n<p>(b) 34<\/p>\n<p>(c) 35<\/p>\n<p>(d) 36<\/p>\n<p><strong>Answer: (b) 34<\/strong> (10 + 25 \u2212 1)<\/p>\n<p><strong>Q24.<\/strong> Find the next letter in the series: A, C, F, J, ?<\/p>\n<p>(a) M<\/p>\n<p>(b) N<\/p>\n<p>(c) O<\/p>\n<p>(d) P<\/p>\n<p><strong>Answer: (c) O<\/strong> (gaps increase: +2, +3, +4, +5)<\/p>\n<p><strong>Q25.<\/strong> A father is 3 times as old as his son. The sum of their ages is 56. Find the son&#8217;s age.<\/p>\n<p>(a) 12<\/p>\n<p>(b) 14<\/p>\n<p>(c) 16<\/p>\n<p>(d) 18<\/p>\n<p><strong>Answer: (b) 14<\/strong> (4 parts = 56, so 1 part = 14)<\/p>\n<h2 id=\"tnpsc-aptitude-previous-year-questions-how-to-use-them\"><span class=\"ez-toc-section\" id=\"TNPSC_Aptitude_Previous_Year_Questions_How_to_Use_Them\"><\/span><strong>TNPSC Aptitude Previous Year Questions: How to Use Them<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Solving <a href=\"https:\/\/entri.app\/blog\/tnpsc-previous-year-question-paper\/\" target=\"_blank\" rel=\"noopener\"><strong>TNPSC Previous Year Questions<\/strong><\/a> shows you which topics are asked again and again, such as percentage, average, profit and loss, time and work, number series and coding-decoding. Solve papers from the last 5 years, note your weak topics, and revise them first.<\/p>\n<h2 id=\"tips-to-solve-tnpsc-aptitude-questions-faster\"><span class=\"ez-toc-section\" id=\"Tips_to_Solve_TNPSC_Aptitude_Questions_2026\"><\/span><strong>Tips to Solve TNPSC Aptitude Questions 2026<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ol>\n<li><strong>Learn tables and squares.<\/strong> Tables up to 20 and squares up to 30 save a lot of time.<\/li>\n<li><strong>Use option elimination.<\/strong> Check the options when you are stuck instead of solving fully.<\/li>\n<li><strong>Skip and return.<\/strong> Do not spend more than one minute on a single question.<\/li>\n<li><strong>Know common fractions and percentages.<\/strong> For example, 1\/8 = 12.5% and 1\/6 = 16.67%.<\/li>\n<li><strong>Check units.<\/strong> Many errors come from mixing km\/h and m\/s, or days and hours.<\/li>\n<li><strong>Practice in a timed setting.<\/strong> Aim to finish 25 aptitude questions in about 20 to 25 minutes.<\/li>\n<\/ol>\n<h3 id=\"take-a-tnpsc-aptitude-mock-test-on-the-entri-app\"><strong>Take a TNPSC Aptitude Mock Test on the Entri App<\/strong><\/h3>\n<p>Solving questions in a book is not the same as solving them under time pressure. On the Entri app, you can:<\/p>\n<ul>\n<li>Practice topic-wise TNPSC Aptitude Questions with answers<\/li>\n<li>Attempt free TNPSC Aptitude Mock Tests<\/li>\n<li>Solve previous year question papers<\/li>\n<li>Track your accuracy and speed<\/li>\n<li>Join live classes by expert mentors<\/li>\n<\/ul>\n<p><strong>Download the <a href=\"https:\/\/play.google.com\/store\/apps\/details?id=me.entri.entrime&amp;hl=en_IN\" target=\"_blank\" rel=\"noopener\">Entri app<\/a> today and start practising for TNPSC.<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Aptitude and Mental Ability is a short but highly scoring part of TNPSC exams. The questions are of Class 10 standard, and the same question types repeat year after year. The only way to get faster and more accurate is to practice. In this blog, you will find TNPSC Aptitude Questions with Answers, divided into [&hellip;]<\/p>\n","protected":false},"author":115,"featured_media":25662494,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[802,266],"tags":[],"class_list":["post-25662492","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-articles","category-tamil-nadu-psc"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>TNPSC Aptitude Questions with Answers 2026: Free Practice Set<\/title>\n<meta name=\"description\" content=\"Practice TNPSC Aptitude Questions with answers on quantitative aptitude and mental ability. 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