// Numbas version: exam_results_page_options
{"name": "2850: 202 MCQ:31", "extensions": [], "custom_part_types": [], "resources": [], "navigation": {"allowregen": true, "showfrontpage": false, "preventleave": false, "typeendtoleave": false}, "question_groups": [{"pickingStrategy": "all-ordered", "questions": [{"functions": {}, "ungrouped_variables": ["a", "calc", "h", "cal2", "cal3", "cal4", "r", "y", "n1", "n2", "n3"], "name": "2850: 202 MCQ:31", "tags": [], "preamble": {"css": "", "js": ""}, "advice": "", "rulesets": {}, "parts": [{"distractors": ["", "", "", ""], "matrix": ["1", "0", "0", "0"], "shuffleChoices": true, "variableReplacements": [], "choices": ["<p><span face=\"Arial, sans-serif\" style=\"font-family: Arial, sans-serif;\"><span style=\"line-height: 18.399999618530273px;\">$\\var{y}$</span></span></p>", "<p><span style=\"font-family: Arial, sans-serif; line-height: 18.399999618530273px;\">$\\var{n1}$</span></p>", "<p class=\"MsoNormal\" style=\"margin-bottom: 0.0001pt;\"><span style=\"font-family: Arial, sans-serif; line-height: 18.399999618530273px;\">$\\var{n2}$</span></p>", "<p><span style=\"font-family: Arial, sans-serif; line-height: 18.399999618530273px;\">$\\var{n3}$</span></p>"], "variableReplacementStrategy": "originalfirst", "displayType": "radiogroup", "maxMarks": 0, "marks": 0, "scripts": {}, "displayColumns": "1", "showCorrectAnswer": false, "type": "1_n_2", "minMarks": 0}], "statement": "<h3><span style=\"font-size: 18.0pt; line-height: 115%; font-family: 'Times New Roman','serif'; mso-fareast-font-family: Calibri; mso-fareast-theme-font: minor-latin; mso-ansi-language: EN-GB; mso-fareast-language: EN-US; mso-bidi-language: AR-SA;\">Using the formula shown below,&nbsp;</span><span style=\"font-family: 'Times New Roman', serif; font-size: 14pt;\">if $h = \\var{h}$ mm and $a = \\var{a}$ mm, what&nbsp;</span><span style=\"font-family: 'Times New Roman', serif; font-size: 14pt; line-height: 115%;\">is the volume?</span></h3>\n<h3><span style=\"font-family: 'Times New Roman', serif; font-size: 18pt; line-height: 115%;\">$V=\\frac{1}{4}a^2\\times h \\times \\sqrt{\\var{r}}$</span></h3>", "variable_groups": [], "variablesTest": {"maxRuns": 100, "condition": ""}, "variables": {"a": {"definition": "random(10..50#10)", "templateType": "randrange", "group": "Ungrouped variables", "name": "a", "description": ""}, "n3": {"definition": "precround(cal4,2)", "templateType": "anything", "group": "Ungrouped variables", "name": "n3", "description": ""}, "h": {"definition": "random(60..100#5)", "templateType": "randrange", "group": "Ungrouped variables", "name": "h", "description": ""}, "cal2": {"definition": "0.25{a}^2*{h}*{r}", "templateType": "anything", "group": "Ungrouped variables", "name": "cal2", "description": ""}, "cal3": {"definition": "0.25{a}*{h}*{r}^(1/2)", "templateType": "anything", "group": "Ungrouped variables", "name": "cal3", "description": ""}, "cal4": {"definition": "0.25{a}^2*{r}*{h}^(1/2)", "templateType": "anything", "group": "Ungrouped variables", "name": "cal4", "description": ""}, "r": {"definition": "random(3..10#1)", "templateType": "randrange", "group": "Ungrouped variables", "name": "r", "description": ""}, "y": {"definition": "precround(calc,2)", "templateType": "anything", "group": "Ungrouped variables", "name": "y", "description": ""}, "n1": {"definition": "precround(cal2,2)", "templateType": "anything", "group": "Ungrouped variables", "name": "n1", "description": ""}, "n2": {"definition": "precround(cal3,2)", "templateType": "anything", "group": "Ungrouped variables", "name": "n2", "description": ""}, "calc": {"definition": "0.25{a}^2*{h}*{r}^(1/2)", "templateType": "anything", "group": "Ungrouped variables", "name": "calc", "description": ""}}, "metadata": {"notes": "", "description": "<p>Algebra - substitution</p>", "licence": "Creative Commons Attribution 4.0 International"}, "type": "question", "showQuestionGroupNames": false, "question_groups": [{"name": "", "pickingStrategy": "all-ordered", "pickQuestions": 0, "questions": []}], "contributors": [{"name": "Michael Proudman", "profile_url": "https://numbas.mathcentre.ac.uk/accounts/profile/269/"}]}]}], "contributors": [{"name": "Michael Proudman", "profile_url": "https://numbas.mathcentre.ac.uk/accounts/profile/269/"}]}