{"id":7178,"date":"2023-01-27T21:50:46","date_gmt":"2023-01-27T15:50:46","guid":{"rendered":"https:\/\/mcqacademy.com\/en\/?post_type=mcq&#038;p=7178"},"modified":"2023-01-27T21:54:32","modified_gmt":"2023-01-27T15:54:32","slug":"a-distance-of-425-km-separates-two-trains-moving-if-they-reduce-their-speed-by-half-every-half-an-hour","status":"publish","type":"mcq","link":"https:\/\/mcqacademy.com\/en\/mcq\/a-distance-of-425-km-separates-two-trains-moving-if-they-reduce-their-speed-by-half-every-half-an-hour\/","title":{"rendered":"A distance of 425 km separates two trains moving &#8230; if they reduce their speed by half, every half an hour?"},"content":{"rendered":"\n<p>A distance of 425 km separates two trains moving towards each other at a speed of 200 km\/hr each. What will be the distance between them after 1 hr 30 min, if they reduce their speed by half, every half an hour?<\/p>\n","protected":false},"author":1158,"featured_media":0,"comment_status":"open","ping_status":"closed","template":"","topic":[1424],"subject":[10],"education_level":[],"class_list":["post-7178","mcq","type-mcq","status-publish","hentry","topic-time-and-distance-math","subject-mathematical-problems"],"mcq_note":"Relative speed = (200 + 200) km\/hr = 400 km\/hr.\r\n\r\nDistance covered in 1 hr 30 min\r\n\r\n= {400 \u2613 (1\u00f72) + 200 \u2613 (1\u00f72) + 100 \u2613 (1\u00f72)}km\r\n\r\n= (200 + 100 + 50) km = 350 km.\r\n\r\n<strong>Hence distance between the trains = (425 - 350) km = 75 km.<\/strong>","mcq_options":[{"right":"no","answer":"60 km"},{"right":"yes","answer":"75 km"},{"right":"no","answer":"120 km"},{"right":"no","answer":"140 km"}],"multi_answers":"no","subject_terms":[{"id":10,"title":"Mathematical Problems","slug":"mathematical-problems"}],"topic_terms":[{"id":1424,"title":"Time and Distance Math","slug":"time-and-distance-math"}],"_links":{"self":[{"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/mcq\/7178","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/mcq"}],"about":[{"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/types\/mcq"}],"author":[{"embeddable":true,"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/users\/1158"}],"replies":[{"embeddable":true,"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/comments?post=7178"}],"wp:attachment":[{"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/media?parent=7178"}],"wp:term":[{"taxonomy":"topic","embeddable":true,"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/topic?post=7178"},{"taxonomy":"subject","embeddable":true,"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/subject?post=7178"},{"taxonomy":"education_level","embeddable":true,"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/education_level?post=7178"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}