{"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":"9ba302e1-27c4-5672-9c8c-8d11dc6f84c6","task_key":"prealgebra--test--9ba302e1-27c4-5672-9c8c-8d11dc6f84c6","task_revision_id":"1","upstream_id":"","short_description":"The larger circle has center $O$ and passes through $D$. The smaller circle has…","config":"prealgebra","split":"test","body":"{\"level\":\"Level 4\",\"problem\":\"The larger circle has center $O$ and passes through $D$. The smaller circle has diameter $OD$. What percent of the larger circle's area is gray?\\n\\n[asy]import graph;\\ndraw(Circle((0,0),30),black);\\nfill(Circle((0,-15),15),gray(.6));\\ndraw(Circle((0,-15),15),black);\\ndraw((0,0)--(0,-30),black);\\nlabel(\\\"O\\\",(0,0),N);\\nlabel(\\\"D\\\",(0,-30),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":[]}