{"id":7176,"date":"2023-01-27T21:41:36","date_gmt":"2023-01-27T15:41:36","guid":{"rendered":"https:\/\/mcqacademy.com\/en\/?post_type=mcq&#038;p=7176"},"modified":"2023-01-27T21:54:32","modified_gmt":"2023-01-27T15:54:32","slug":"the-ratio-of-the-speeds-of-a-car-a-train-and-a-bus-is-5-9-4-the-average-speed-of-the-car-the-bus-and-the-train-is-72-km-hr-what-is-the-average-speed-of-the-car-and-the-train-together","status":"publish","type":"mcq","link":"https:\/\/mcqacademy.com\/en\/mcq\/the-ratio-of-the-speeds-of-a-car-a-train-and-a-bus-is-5-9-4-the-average-speed-of-the-car-the-bus-and-the-train-is-72-km-hr-what-is-the-average-speed-of-the-car-and-the-train-together\/","title":{"rendered":"The ratio of the speeds of a car, a train, and a bus is 5 : 9 : 4. The average speed of the car, the bus, and the train is 72 km\/hr What is the average speed of the car and the train together?"},"content":{"rendered":"","protected":false},"author":1158,"featured_media":0,"comment_status":"open","ping_status":"closed","template":"","topic":[1424],"subject":[10],"education_level":[],"class_list":["post-7176","mcq","type-mcq","status-publish","hentry","topic-time-and-distance-math","subject-mathematical-problems"],"mcq_note":"Let the speeds of the car, train, and bus be 5x, 9x and 4x km\/hr respectively.\r\n\r\nThen, {(5x + 9x + 4x) \u00f7 3} = 72\r\n\r\n\u21d2 6x = 72\r\n\r\n=&gt; x = 12.\r\n\r\n\u2234 Speed of the car = 60 km\/hr.\r\n\r\nSpeed of the train = 108 km\/hr.\r\n\r\n<strong>\u2234 The average speed of car and train = (60 + 1082)km\/hr = 84 km\/hr.<\/strong>","mcq_options":[{"right":"no","answer":"78 km\/hr"},{"right":"no","answer":"80 km\/hr"},{"right":"no","answer":"82 km\/hr"},{"right":"yes","answer":"84 km\/hr"}],"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\/7176","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=7176"}],"wp:attachment":[{"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/media?parent=7176"}],"wp:term":[{"taxonomy":"topic","embeddable":true,"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/topic?post=7176"},{"taxonomy":"subject","embeddable":true,"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/subject?post=7176"},{"taxonomy":"education_level","embeddable":true,"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/education_level?post=7176"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}