{"kind":"task","effective_mode":"full","benchmark":{"kind":"benchmark","effective_mode":"full","slug":"math","formal_name":"MATH","introduction":"MATH organises 12,500 high-school competition problems into seven subjects and five difficulty levels, each with a full worked solution. It underlies much of the later mathematics evaluation work; this catalogue imports the full test split: 5,000 problems across all seven subjects.","introduction_ja":"","introduction_en":"","category":"Category not supplied","task_count":null,"acquisition_status":"Acquisition status not supplied","official_url":"https://github.com/hendrycks/math","indexing_mode":"index","profile":{"resources":[],"task_format":"","scoring":"","metric":"","size":"","answer_access":"","license":"","citation":"","maintainer":"","released":"","why_hard":"","related":[],"history":"","construction":"","limitations":"","saturation":"","scores":[]}},"task_id":"9bc8b1e0-1d5f-5b63-96ef-feb7670656b6","task_key":"prealgebra--test--9bc8b1e0-1d5f-5b63-96ef-feb7670656b6","task_revision_id":"1","upstream_id":"","short_description":"In the diagram, the area of rectangle $ABCD$ is $40$. What is the area of…","config":"prealgebra","split":"test","body":"{\"level\":\"Level 3\",\"problem\":\"In the diagram, the area of rectangle $ABCD$ is $40$. What is the area of $MBCN$? [asy]\\nimport olympiad;\\npair a = (0, 0); pair m = (4, 0); pair b = (8, 0); pair c = (8, -5); pair n = (6, -5); pair d = (0, -5);\\ndraw(m--n);\\ndraw(a--b--c--d--cycle);\\nlabel(\\\"$A$\\\", a, NW); label(\\\"$B$\\\", b, NE); label(\\\"$C$\\\", c, SE); label(\\\"$D$\\\", d, SW);\\nlabel(\\\"$M$\\\", m, N); label(\\\"$N$\\\", n, S);\\nlabel(\\\"$4$\\\", midpoint(a--m), N); label(\\\"$4$\\\", midpoint(m--b), N);\\nlabel(\\\"$2$\\\", midpoint(n--c), S);\\n[/asy]\",\"type\":\"Prealgebra\"}","display_format":"math","language":"","answer_status":"published","assets":[],"source_url":"https://github.com/hendrycks/math","history":"initial import","indexing_mode":"index","subproblems":[],"grids":[]}