{"id":"aqua_rat:ba37543ed5a8dc2a28d9333010b0fbd4","source_id":"aqua_rat","source_item_id":"ba37543ed5a8dc2a28d9333010b0fbd4","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":"A train does a journey without stopping for 8 hours. If it had traveled 5 km an hour faster, it would have done the journey in 6 hours 40 min. What is its slower speed?","stimulus":"","stimulus_html":null,"stem_html":"<p>A train does a journey without stopping for 8 hours. If it had traveled 5 km an hour faster, it would have done the journey in 6 hours 40 min. What is its slower speed?</p>","rationale_html":"<p>Let its slower speed = V km per hour</p><p>Here, the distance is same in both the cases</p><p>Using the formula = V1 x t1 = V2 x t2</p><p>or, V x 8 = (V + 5) x 20/3</p><p>or, 24V = (V + 5) x 20</p><p>V= 25 km/h</p><p>Thus, The slower speed of train is 25 km/h.</p><p>B</p>","correct_answer":["B"],"equiv_key":"f462f0034ba283349c80e01b","has_media":false,"has_mathml":false,"has_table":false,"section_label":"Mathematics","options":[{"label":"A","content_html":"<p>35 kmph</p>","ord":0},{"label":"B","content_html":"<p>25 kmph</p>","ord":1},{"label":"C","content_html":"<p>40 kmph</p>","ord":2},{"label":"D","content_html":"<p>50 kmph</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":[]}