{"id":"aqua_rat:22134a2b29b42eb7728932a3971564eb","source_id":"aqua_rat","source_item_id":"22134a2b29b42eb7728932a3971564eb","external_id":null,"program":null,"section":"math","category_code":"PHM","category":"Preparing for Higher Math","subcategory_code":null,"subcategory":null,"form_id":null,"passage_id":null,"position":null,"scored":true,"layout_warning":null,"stem":"Two trains are running with speed 30 km/hr. and 58km/hr. in the same direction. A man in the slower train passes the faster train in 18 seconds. The length (in metres) of the faster trains is:","stimulus":"","stimulus_html":null,"stem_html":"<p>Two trains are running with speed 30 km/hr. and 58km/hr. in the same direction. A man in the slower train passes the faster train in 18 seconds. The length (in metres) of the faster trains is:</p>","rationale_html":"<p>The relative speed = 58 - 30 = 28 Km/hr. = 140/18 m/s.</p><p>Therefore in 18 secs the faster train travels = (140/18) * 18 = 140</p><p>Answer D</p>","correct_answer":["D"],"equiv_key":"ef211c4ca15dc8c371299b77","has_media":false,"has_mathml":false,"has_table":false,"section_label":"Mathematics","options":[{"label":"A","content_html":"<p>70</p>","ord":0},{"label":"B","content_html":"<p>100</p>","ord":1},{"label":"C","content_html":"<p>128</p>","ord":2},{"label":"D","content_html":"<p>140</p>","ord":3},{"label":"E","content_html":"<p>None of these</p>","ord":4}],"passage":null,"attribution":{"source_id":"aqua_rat","source_name":"AQuA-RAT algebra word problems with rationales","rights_holder":"Google DeepMind and the AQuA-RAT contributors","canonical_url":"https://github.com/google-deepmind/AQuA","retrieved_from":"https://raw.githubusercontent.com/google-deepmind/AQuA/master/","attribution":"Algebra word problems from the AQuA-RAT dataset (Ling et al., 2017), published by Google DeepMind under the Apache License 2.0.","disclaimer":"AQuA-RAT items are crowdsourced algebra problems, not ACT questions. They carry five answer choices in the pre-2025 ACT Mathematics style and no ACT reporting category. Useful for drilling Preparing for Higher Math content; not a substitute for a real form.","license":"Apache License 2.0. Crowdsourced by DeepMind and published for free use, including commercially.","redistributable":true,"item_count":508},"equivalents":[]}