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"url": "https://numbas.mathcentre.ac.uk/api/questions/11901/?format=api",
"name": "Find least upper bounds and greatest lower bounds of four sets",
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"full_name": "Newcastle University Mathematics and Statistics",
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"notes": "\n\t\t<p><strong>4/07/2012:</strong></p>\n\t\t<p>Added tags. Corrected tags.</p>\n\t\t<p>Corrected mistake in answer to first part (minus sign missing).</p>\n\t\t<p><strong>5/07/2012:</strong></p>\n\t\t<p>There is an issue with the MCQs - this has been reported on Github.</p>\n\t\t<p>Also an issue with recognising infinity as an answer - also reported on Github.</p>\n\t\t<p>Changed to Match Text Pattern, but Correct Answer not properly displayed for $\\pm \\infty$</p>\n\t\t<p>Also an issue with reordering gaps in a gapfill - wishlist item on Github</p>\n\t\t<p>Advice display tidied up.</p>\n\t\t<p><strong>21/07/2012:</strong></p>\n\t\t<p>Error in part c first MCQ. Corrected.</p>\n\t\t<p>Instructions about using fractions and integers included.</p>\n\t\t<p>Added description.</p>\n\t\t<p>Have used Matching Expressions question typefor identifying $\\pm \\infty$ as answers.</p>\n\t\t<p><strong>27/7/2012:</strong></p>\n\t\t<p>Added tags.</p>\n\t\t<p>Edited grammar in Advice section.</p>\n\t\t<p><strong>24/12/2012:</strong></p>\n\t\t<p>Checked calculations. Added tested1 tag.</p>\n\t\t<p>Question now accepts infinity and -infinity as possible answers. Query raised as could use html code for infinity to display correct answer for the Word Match rather than the input strings. However, these are not the same as the student would input. Added query tag.</p>\n\t\t<p>Tested rounding, OK. Added cr1 tag.</p>\n\t\t<p>C</p>\n\t\t<p><strong>20/01/2014:</strong></p>\n\t\t<p>Got rid of last four parts.</p>\n\t\t",
"licence": "Creative Commons Attribution 4.0 International",
"description": "<p>Four questions on finding least upper bounds and greatest lower bounds of various sets.</p>"
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