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google search
Google search results:
1: https://www.examveda.com/a-man-walking-at-the-speed-of-4kmhrcross-a-square-field-diagonally-in-3-minutesthe-area-of-the-field-is-436/
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2: https://www.toppr.com/ask/en-us/question/a-man-walking-at-the-speed-of-4-kmhr-crosses-asquarefield-diagonally-in-3-minutes/
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3: https://www.quora.com/A-man-walking-at-the-speed-of-4-kilometres-per-hour-crosses-a-square-field-diagonally-in-3-minutes-What-is-the-area-of-the-field
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4: https://brainly.in/question/5588198
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5: https://www.sawaal.com/area-questions-and-answers/a-man-walking-at-the-speed-of-4-kmph-crosses-a-square-field-diagonally-in-3-metersthe-area-of-the-fi_4230
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6: https://www.doubtnut.com/question-answer/a-man-walking-at-the-speed-of-4-kmph-crosses-a-square-field-diagonally-in-3-minutes-the-area-of-the--4381113
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7: https://www.youtube.com/watch?v=-tn7QZahbWw
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8: https://interviewmania.com/discussion/377-aptitude-speed-time-and-distance
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9: https://www.vedantu.com/question-answer/the-area-of-a-square-field-is-8-hectares-how-class-9-maths-cbse-5fbdd3c00736f778911a6e45
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