// Numbas version: finer_feedback_settings
{"name": "Simon's copy of AER", "extensions": [], "custom_part_types": [], "resources": [], "navigation": {"allowregen": true, "showfrontpage": false, "preventleave": false, "typeendtoleave": false}, "question_groups": [{"pickingStrategy": "all-ordered", "questions": [{"extensions": [], "preamble": {"js": "", "css": ""}, "variable_groups": [], "metadata": {"licence": "Creative Commons Attribution 4.0 International", "description": "<p>A savings account earns compound interest at 1.5% per month.<br />Calculate the equivalent annual rate of interest</p>\n<p>rebelmaths</p>"}, "type": "question", "statement": "<p>A savings account earns compound interest at a rate&nbsp;of&nbsp;$\\var{perc}$%&nbsp;per quarter.<br/>Calculate the equivalent annual rate of interest.</p>", "question_groups": [{"questions": [], "pickingStrategy": "all-ordered", "pickQuestions": 0, "name": ""}], "rulesets": {}, "showQuestionGroupNames": false, "variablesTest": {"maxRuns": 100, "condition": ""}, "ungrouped_variables": ["perc", "apr2", "int", "perc2", "apr"], "variables": {"apr2": {"templateType": "anything", "group": "Ungrouped variables", "definition": "precround((1+int)^4,4)", "name": "apr2", "description": ""}, "perc": {"templateType": "anything", "group": "Ungrouped variables", "definition": "random(1.4..2.5#0.1)", "name": "perc", "description": ""}, "perc2": {"templateType": "anything", "group": "Ungrouped variables", "definition": "precround(apr*100,2)", "name": "perc2", "description": ""}, "int": {"templateType": "anything", "group": "Ungrouped variables", "definition": "perc/100", "name": "int", "description": ""}, "apr": {"templateType": "anything", "group": "Ungrouped variables", "definition": "precround(apr2-1,4)", "name": "apr", "description": ""}}, "tags": ["AER", "Annual Equivalent Rate", "REBEL", "rebel", "Rebel", "rebelmaths"], "functions": {}, "parts": [{"showCorrectAnswer": true, "variableReplacementStrategy": "originalfirst", "prompt": "<p>Please give your answer as a percentage to two decimal places.&nbsp;</p>\n<p>[[0]]%</p>", "gaps": [{"showCorrectAnswer": true, "variableReplacementStrategy": "originalfirst", "correctAnswerFraction": false, "allowFractions": false, "maxValue": "perc2+0.01", "type": "numberentry", "scripts": {}, "marks": "5", "minValue": "perc2-0.01", "showPrecisionHint": false, "variableReplacements": []}], "type": "gapfill", "scripts": {}, "marks": 0, "variableReplacements": []}], "name": "Simon's copy of AER", "advice": "<p>The quarterly&nbsp;interest rate is $\\var{perc}$% per quarter. There are 4 quarters in one year so the equivalent annual rate of interest&nbsp;can be calculated as follows:</p>\n<p>$i=(1+\\frac{\\var{perc}}{100})^{4}-1=\\var{apr2}-1=\\var{apr}$</p>\n<p>Therefore the e<span>quiva</span><span>lent annual rate</span>&nbsp;is $\\var{perc2}$%</p>\n<p></p>", "contributors": [{"name": "Julie Crowley", "profile_url": "https://numbas.mathcentre.ac.uk/accounts/profile/113/"}, {"name": "Simon Thomas", "profile_url": "https://numbas.mathcentre.ac.uk/accounts/profile/3148/"}]}]}], "contributors": [{"name": "Julie Crowley", "profile_url": "https://numbas.mathcentre.ac.uk/accounts/profile/113/"}, {"name": "Simon Thomas", "profile_url": "https://numbas.mathcentre.ac.uk/accounts/profile/3148/"}]}