// Numbas version: finer_feedback_settings
{"name": "Cost Price 1", "extensions": [], "custom_part_types": [], "resources": [], "navigation": {"allowregen": true, "showfrontpage": false, "preventleave": false, "typeendtoleave": false}, "question_groups": [{"pickingStrategy": "all-ordered", "questions": [{"name": "Cost Price 1", "tags": [], "metadata": {"description": "<p>MCQ - Pick the correct cost price when given the selling price and rate of VAT.</p>", "licence": "None specified"}, "statement": "<p>The selling price of an item is &euro;{selling_price} including VAT at {vat}%. What was the price before VAT?</p>", "advice": "<p>Note that:</p>\n<p><strong>Cost Price (100%) + VAT ({vat}%) = Selling Price ({100+vat}%)</strong></p>\n<p style=\"text-align: left; padding-left: 40px;\">{percent}% = {selling_price}</p>\n<p style=\"text-align: left; padding-left: 40px;\">1% = $\\frac{\\var{selling_price}}{\\var{percent}}$</p>\n<p style=\"text-align: left; padding-left: 40px;\">100% = $\\frac{\\var{selling_price}}{\\var{percent}} \\times 100$</p>\n<p>Cost Price = &euro;{correct}</p>", "rulesets": {}, "extensions": [], "builtin_constants": {"e": true, "pi,\u03c0": true, "i": true, "j": false}, "constants": [], "variables": {"selling_price": {"name": "selling_price", "group": "Ungrouped variables", "definition": "random(110.11..499.99#0.01)", "description": "", "templateType": "anything", "can_override": false}, "vat": {"name": "vat", "group": "Ungrouped variables", "definition": "random(7..25)", "description": "", "templateType": "anything", "can_override": false}, "correct": {"name": "correct", "group": "Ungrouped variables", "definition": "dpformat((selling_price/(1+(vat/100))),2)", "description": "", "templateType": "anything", "can_override": false}, "incorrect1": {"name": "incorrect1", "group": "Ungrouped variables", "definition": "dpformat(selling_price*(1+vat/100),2)", "description": "", "templateType": "anything", "can_override": false}, "incorrect2": {"name": "incorrect2", "group": "Ungrouped variables", "definition": "dpformat(selling_price*(1-vat/100),2)", "description": "", "templateType": "anything", "can_override": false}, "incorrect3": {"name": "incorrect3", "group": "Ungrouped variables", "definition": "dpformat(selling_price-vat,2)", "description": "", "templateType": "anything", "can_override": false}, "percent": {"name": "percent", "group": "Ungrouped variables", "definition": "100+vat", "description": "", "templateType": "anything", "can_override": false}}, "variablesTest": {"condition": "", "maxRuns": 100}, "ungrouped_variables": ["selling_price", "vat", "correct", "incorrect1", "incorrect2", "incorrect3", "percent"], "variable_groups": [], "functions": {}, "preamble": {"js": "", "css": ""}, "parts": [{"type": "gapfill", "useCustomName": false, "customName": "", "marks": 0, "scripts": {}, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": true, "unitTests": [], "showCorrectAnswer": true, "showFeedbackIcon": true, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [], "suggestGoingBack": false, "adaptiveMarkingPenalty": 0, "exploreObjective": null, "prompt": "<p>Select the correct answer:</p>\n<p>[[0]]</p>", "gaps": [{"type": "1_n_2", "useCustomName": false, "customName": "", "marks": 0, "scripts": {}, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": true, "unitTests": [], "showCorrectAnswer": true, "showFeedbackIcon": true, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [], "suggestGoingBack": false, "adaptiveMarkingPenalty": 0, "exploreObjective": null, "minMarks": 0, "maxMarks": 0, "shuffleChoices": true, "displayType": "radiogroup", "displayColumns": "1", "showCellAnswerState": true, "choices": ["&euro;{correct}", "&euro;{incorrect1}", "&euro;{incorrect2}", "&euro;{incorrect3}"], "matrix": ["13", 0, 0, 0], "distractors": ["", "", "", ""]}], "sortAnswers": false}], "partsMode": "all", "maxMarks": 0, "objectives": [], "penalties": [], "objectiveVisibility": "always", "penaltyVisibility": "always", "contributors": [{"name": "Katie Bullen", "profile_url": "https://numbas.mathcentre.ac.uk/accounts/profile/2255/"}], "resources": []}]}], "contributors": [{"name": "Katie Bullen", "profile_url": "https://numbas.mathcentre.ac.uk/accounts/profile/2255/"}]}