{"id":3966,"date":"2026-04-04T16:05:16","date_gmt":"2026-04-04T16:05:16","guid":{"rendered":"https:\/\/physicscatalyst.com\/testprep\/class-8-math\/a-square-and-a-cube-class-8-mcq\/"},"modified":"2026-04-04T16:05:16","modified_gmt":"2026-04-04T16:05:16","slug":"a-square-and-a-cube-class-8-mcq","status":"publish","type":"post","link":"https:\/\/physicscatalyst.com\/testprep\/class-8-math\/a-square-and-a-cube-class-8-mcq\/","title":{"rendered":"A square and a cube class 8 MCQ"},"content":{"rendered":"<script type=\"text\/javascript\" >\ndocument.addEventListener(\"DOMContentLoaded\", function(event) { \nif(!window.jQuery) alert(\"The important jQuery library is not properly loaded in your site. Your WordPress theme is probably missing the essential wp_head() call. You can switch to another theme and you will see that the plugin works fine and this notice disappears. If you are still not sure what to do you can contact us for help.\");\n});\n<\/script>  \n  \n<div  id=\"watupro_quiz\" class=\"quiz-area single-page-quiz\">\n<p id=\"submittingExam513\" style=\"display:none;text-align:center;\">Please wait...<br><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/physicscatalyst.com\/testprep\/wp-content\/plugins\/watupro\/img\/loading.gif\" width=\"16\" height=\"16\"><\/p>\n\n<div class=\"watupro-exam-description\" id=\"description-quiz-513\"><p><strong>General Instructions<\/strong><\/p>\n<ul>\n<li>Your test contains multiple-choice questions with only one answer-type question. There are a total of 10 questions<\/li>\n<li>This is a 20 min test. Please make sure you complete it in the stipulated time<\/li>\n<li>You can finish this test any time using the 'Submit' button.<\/li>\n<\/ul>\n<\/div>\n\n<form action=\"\" method=\"post\" class=\"quiz-form\" id=\"quiz-513\"  enctype=\"multipart\/form-data\" >\n<div class='watu-question ' id='question-1' style=';'><div id='questionWrap-1'  class='   watupro-question-id-8566'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>1. <\/span>the square of Number 26<\/div><input type='hidden' name='question_id[]' id='qID_1' value='8566' class='watupro-question-id'\/><input type='hidden' id='answerType8566' class='answerTypeCnt1' value='radio'><!-- end question-content--><\/div><div class='question-choices watupro-choices-columns '  id='questionChoices8566'><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-8566[]' id='answer-id-34212' class='answer   answerof-8566  ' value='34212'   \/><label for='answer-id-34212' id='answer-label-34212' class=' answer'><span>676 <\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-8566[]' id='answer-id-34213' class='answer   answerof-8566  ' value='34213'   \/><label for='answer-id-34213' id='answer-label-34213' class=' answer'><span>726<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-8566[]' id='answer-id-34214' class='answer   answerof-8566  ' value='34214'   \/><label for='answer-id-34214' id='answer-label-34214' class=' answer'><span>686<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-8566[]' id='answer-id-34215' class='answer   answerof-8566  ' value='34215'   \/><label for='answer-id-34215' id='answer-label-34215' class=' answer'><span>626<\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div class='watu-question ' id='question-2' style=';'><div id='questionWrap-2'  class='   watupro-question-id-8567'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>2. <\/span>what are taxicab numbers?<\/div><input type='hidden' name='question_id[]' id='qID_2' value='8567' class='watupro-question-id'\/><input type='hidden' id='answerType8567' class='answerTypeCnt2' value='radio'><!-- end question-content--><\/div><div class='question-choices watupro-choices-columns '  id='questionChoices8567'><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-8567[]' id='answer-id-34216' class='answer   answerof-8567  ' value='34216'   \/><label for='answer-id-34216' id='answer-label-34216' class=' answer'><span> A number which a perfect cube<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-8567[]' id='answer-id-34217' class='answer   answerof-8567  ' value='34217'   \/><label for='answer-id-34217' id='answer-label-34217' class=' answer'><span> A number which a perfect square<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-8567[]' id='answer-id-34218' class='answer   answerof-8567  ' value='34218'   \/><label for='answer-id-34218' id='answer-label-34218' class=' answer'><span> A number which can be expressed as sum of two cubes in two different way<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-8567[]' id='answer-id-34219' class='answer   answerof-8567  ' value='34219'   \/><label for='answer-id-34219' id='answer-label-34219' class=' answer'><span>A number that start with 1720<\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div class='watu-question ' id='question-3' style=';'><div id='questionWrap-3'  class='   watupro-question-id-8568'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>3. <\/span>can a perfect square ends with 3?<\/div><input type='hidden' name='question_id[]' id='qID_3' value='8568' class='watupro-question-id'\/><input type='hidden' id='answerType8568' class='answerTypeCnt3' value='radio'><!-- end question-content--><\/div><div class='question-choices watupro-choices-columns '  id='questionChoices8568'><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-8568[]' id='answer-id-34220' class='answer   answerof-8568  ' value='34220'   \/><label for='answer-id-34220' id='answer-label-34220' class=' answer'><span>yes<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-8568[]' id='answer-id-34221' class='answer   answerof-8568  ' value='34221'   \/><label for='answer-id-34221' id='answer-label-34221' class=' answer'><span>no<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-8568[]' id='answer-id-34222' class='answer   answerof-8568  ' value='34222'   \/><label for='answer-id-34222' id='answer-label-34222' class=' answer'><span>may be<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-8568[]' id='answer-id-34223' class='answer   answerof-8568  ' value='34223'   \/><label for='answer-id-34223' id='answer-label-34223' class=' answer'><span>None of the above<\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div class='watu-question ' id='question-4' style=';'><div id='questionWrap-4'  class='   watupro-question-id-8569'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>4. <\/span>Each prime factor of the cube occurs<\/div><input type='hidden' name='question_id[]' id='qID_4' value='8569' class='watupro-question-id'\/><input type='hidden' id='answerType8569' class='answerTypeCnt4' value='radio'><!-- end question-content--><\/div><div class='question-choices watupro-choices-columns '  id='questionChoices8569'><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-8569[]' id='answer-id-34224' class='answer   answerof-8569  ' value='34224'   \/><label for='answer-id-34224' id='answer-label-34224' class=' answer'><span>1 times<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-8569[]' id='answer-id-34225' class='answer   answerof-8569  ' value='34225'   \/><label for='answer-id-34225' id='answer-label-34225' class=' answer'><span>2 times<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-8569[]' id='answer-id-34226' class='answer   answerof-8569  ' value='34226'   \/><label for='answer-id-34226' id='answer-label-34226' class=' answer'><span>3 times<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-8569[]' id='answer-id-34227' class='answer   answerof-8569  ' value='34227'   \/><label for='answer-id-34227' id='answer-label-34227' class=' answer'><span>4 times<\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div class='watu-question ' id='question-5' style=';'><div id='questionWrap-5'  class='   watupro-question-id-8570'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>5. <\/span>if $y =x^2$ , then<\/div><input type='hidden' name='question_id[]' id='qID_5' value='8570' class='watupro-question-id'\/><input type='hidden' id='answerType8570' class='answerTypeCnt5' value='radio'><!-- end question-content--><\/div><div class='question-choices watupro-choices-columns '  id='questionChoices8570'><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-8570[]' id='answer-id-34228' class='answer   answerof-8570  ' value='34228'   \/><label for='answer-id-34228' id='answer-label-34228' class=' answer'><span>x is the square root of y<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-8570[]' id='answer-id-34229' class='answer   answerof-8570  ' value='34229'   \/><label for='answer-id-34229' id='answer-label-34229' class=' answer'><span>y is the square root of x<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-8570[]' id='answer-id-34230' class='answer   answerof-8570  ' value='34230'   \/><label for='answer-id-34230' id='answer-label-34230' class=' answer'><span>y is the factor of x<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-8570[]' id='answer-id-34231' class='answer   answerof-8570  ' value='34231'   \/><label for='answer-id-34231' id='answer-label-34231' class=' answer'><span>x is a square number<\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div class='watu-question ' id='question-6' style=';'><div id='questionWrap-6'  class='   watupro-question-id-8571'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>6. <\/span>can a perfect cube ends with 8?<\/div><input type='hidden' name='question_id[]' id='qID_6' value='8571' class='watupro-question-id'\/><input type='hidden' id='answerType8571' class='answerTypeCnt6' value='radio'><!-- end question-content--><\/div><div class='question-choices watupro-choices-columns '  id='questionChoices8571'><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-8571[]' id='answer-id-34232' class='answer   answerof-8571  ' value='34232'   \/><label for='answer-id-34232' id='answer-label-34232' class=' answer'><span>yes<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-8571[]' id='answer-id-34233' class='answer   answerof-8571  ' value='34233'   \/><label for='answer-id-34233' id='answer-label-34233' class=' answer'><span>no <\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-8571[]' id='answer-id-34234' class='answer   answerof-8571  ' value='34234'   \/><label for='answer-id-34234' id='answer-label-34234' class=' answer'><span>may be<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-8571[]' id='answer-id-34235' class='answer   answerof-8571  ' value='34235'   \/><label for='answer-id-34235' id='answer-label-34235' class=' answer'><span>None of the above<\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div class='watu-question ' id='question-7' style=';'><div id='questionWrap-7'  class='   watupro-question-id-8572'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>7. <\/span>The cube root 0f\u00a0 512?<\/div><input type='hidden' name='question_id[]' id='qID_7' value='8572' class='watupro-question-id'\/><input type='hidden' id='answerType8572' class='answerTypeCnt7' value='radio'><!-- end question-content--><\/div><div class='question-choices watupro-choices-columns '  id='questionChoices8572'><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-8572[]' id='answer-id-34236' class='answer   answerof-8572  ' value='34236'   \/><label for='answer-id-34236' id='answer-label-34236' class=' answer'><span>8<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-8572[]' id='answer-id-34237' class='answer   answerof-8572  ' value='34237'   \/><label for='answer-id-34237' id='answer-label-34237' class=' answer'><span>9<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-8572[]' id='answer-id-34238' class='answer   answerof-8572  ' value='34238'   \/><label for='answer-id-34238' id='answer-label-34238' class=' answer'><span>7<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-8572[]' id='answer-id-34239' class='answer   answerof-8572  ' value='34239'   \/><label for='answer-id-34239' id='answer-label-34239' class=' answer'><span>12<\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div class='watu-question ' id='question-8' style=';'><div id='questionWrap-8'  class='   watupro-question-id-8573'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>8. <\/span>The \"ghana mula\" in Sanskrit means?<\/div><input type='hidden' name='question_id[]' id='qID_8' value='8573' class='watupro-question-id'\/><input type='hidden' id='answerType8573' class='answerTypeCnt8' value='radio'><!-- end question-content--><\/div><div class='question-choices watupro-choices-columns '  id='questionChoices8573'><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-8573[]' id='answer-id-34240' class='answer   answerof-8573  ' value='34240'   \/><label for='answer-id-34240' id='answer-label-34240' class=' answer'><span>square root<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-8573[]' id='answer-id-34241' class='answer   answerof-8573  ' value='34241'   \/><label for='answer-id-34241' id='answer-label-34241' class=' answer'><span>cube root<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-8573[]' id='answer-id-34242' class='answer   answerof-8573  ' value='34242'   \/><label for='answer-id-34242' id='answer-label-34242' class=' answer'><span>square <\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-8573[]' id='answer-id-34243' class='answer   answerof-8573  ' value='34243'   \/><label for='answer-id-34243' id='answer-label-34243' class=' answer'><span>cube<\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div class='watu-question ' id='question-9' style=';'><div id='questionWrap-9'  class='   watupro-question-id-8574'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>9. <\/span>How many perfect square numbers lie between 16 and 81?<\/div><input type='hidden' name='question_id[]' id='qID_9' value='8574' class='watupro-question-id'\/><input type='hidden' id='answerType8574' class='answerTypeCnt9' value='radio'><!-- end question-content--><\/div><div class='question-choices watupro-choices-columns '  id='questionChoices8574'><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-8574[]' id='answer-id-34244' class='answer   answerof-8574  ' value='34244'   \/><label for='answer-id-34244' id='answer-label-34244' class=' answer'><span>5<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-8574[]' id='answer-id-34245' class='answer   answerof-8574  ' value='34245'   \/><label for='answer-id-34245' id='answer-label-34245' class=' answer'><span>6<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-8574[]' id='answer-id-34246' class='answer   answerof-8574  ' value='34246'   \/><label for='answer-id-34246' id='answer-label-34246' class=' answer'><span>7<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-8574[]' id='answer-id-34247' class='answer   answerof-8574  ' value='34247'   \/><label for='answer-id-34247' id='answer-label-34247' class=' answer'><span>4<\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div class='watu-question ' id='question-10' style=';'><div id='questionWrap-10'  class='   watupro-question-id-8575'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>10. <\/span>Which of the following numbers can not be a perfect square?<\/div><input type='hidden' name='question_id[]' id='qID_10' value='8575' class='watupro-question-id'\/><input type='hidden' id='answerType8575' class='answerTypeCnt10' value='radio'><!-- end question-content--><\/div><div class='question-choices watupro-choices-columns '  id='questionChoices8575'><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-8575[]' id='answer-id-34248' class='answer   answerof-8575  ' value='34248'   \/><label for='answer-id-34248' id='answer-label-34248' class=' answer'><span>289<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-8575[]' id='answer-id-34249' class='answer   answerof-8575  ' value='34249'   \/><label for='answer-id-34249' id='answer-label-34249' class=' answer'><span>625<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-8575[]' id='answer-id-34250' class='answer   answerof-8575  ' value='34250'   \/><label for='answer-id-34250' id='answer-label-34250' class=' answer'><span>841<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-8575[]' id='answer-id-34251' class='answer   answerof-8575  ' value='34251'   \/><label for='answer-id-34251' id='answer-label-34251' class=' answer'><span>861<\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div style='display:none' id='question-11'>\n\t<div class='question-content'>\n\t\t<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/physicscatalyst.com\/testprep\/wp-content\/plugins\/watupro\/img\/loading.gif\" width=\"16\" height=\"16\" alt=\"Loading...\" title=\"Loading...\" \/>&nbsp;Loading...\t<\/div>\n<\/div>\n\n<br \/>\n\t\n\t\t\t<div class=\"watupro_buttons flex \" id=\"watuPROButtons513\" >\n\t\t  <div id=\"prev-question\" style=\"display:none;\"><input type=\"button\" value=\"&lt; Previous\" onclick=\"WatuPRO.nextQuestion(event, 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