{"id":7167,"date":"2023-01-27T21:26:45","date_gmt":"2023-01-27T15:26:45","guid":{"rendered":"https:\/\/mcqacademy.com\/en\/?post_type=mcq&#038;p=7167"},"modified":"2023-01-27T21:54:32","modified_gmt":"2023-01-27T15:54:32","slug":"a-and-b-start-from-the-same-point-and-in-the-same-direction-at-7-a-m-to-walk-around-a-rectangular-field-400-m-%e2%98%93-300-m-if-they-continue-to-walk-till-12-30-p-m","status":"publish","type":"mcq","link":"https:\/\/mcqacademy.com\/en\/mcq\/a-and-b-start-from-the-same-point-and-in-the-same-direction-at-7-a-m-to-walk-around-a-rectangular-field-400-m-%e2%98%93-300-m-if-they-continue-to-walk-till-12-30-p-m\/","title":{"rendered":"A and B start from the same point and in the same direction at 7 a.m. to walk around a rectangular field (400 m \u2613 300 m) &#8230; if they continue to walk till 12 : 30 p.m.?"},"content":{"rendered":"\n<p>A and B start from the same point and in the same direction at 7 a.m. to walk around a rectangular field (400 m \u2613 300 m). A and B walk at the rate of 3 km\/hr and 2.5 km\/hr respectively. How many times shall they cross each other if they continue to walk till 12 : 30 p.m.?<\/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-7167","mcq","type-mcq","status-publish","hentry","topic-time-and-distance-math","subject-mathematical-problems"],"mcq_note":"Perimeter of the field = 2(400 + 300)m = 1400 m = 1.4 km.\r\n\r\nSince A and B move in the same direction, so they will first meet each other when there is a difference of one round. i.e., 1.4 km between the two.\r\n\r\nThe relative speed of A and B = (3 \u2013 2.5) km\/hr = 0.5 km\/hr.\r\n\r\nTime is taken to cover 1.4 km at this speed = 2 hr 48 min.\r\n\r\nSo, they shall first cross each other at 9 : 48 a.m. and again, 2 hr 48 min after 9 : 48 a.m. i.e., 12 : 36 p.m.\r\n\r\n<strong>Thus, till 12 : 30 p.m. they will cross each other once.<\/strong>","mcq_options":[{"right":"yes","answer":"Once"},{"right":"no","answer":"Twice"},{"right":"no","answer":"Thrice"},{"right":"no","answer":"Not even once"}],"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\/7167","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=7167"}],"wp:attachment":[{"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/media?parent=7167"}],"wp:term":[{"taxonomy":"topic","embeddable":true,"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/topic?post=7167"},{"taxonomy":"subject","embeddable":true,"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/subject?post=7167"},{"taxonomy":"education_level","embeddable":true,"href":"https:\/\/mcqacademy.com\/en\/wp-json\/wp\/v2\/education_level?post=7167"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}