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19. A boy goes from A to B witha velocity of 20 m/min andcomes back from B to A with avelocity of 30 m/min. Theaverage velocity of the boyduring the whole journey is​

Answer» <html><body><p><strong>Answer:</strong></p><p><a href="https://interviewquestions.tuteehub.com/tag/add-361838" style="font-weight:bold;" target="_blank" title="Click to know more about ADD">ADD</a> both and divide by 2</p><p><strong>Explanation:</strong></p><p><a href="https://interviewquestions.tuteehub.com/tag/hope-25911" style="font-weight:bold;" target="_blank" title="Click to know more about HOPE">HOPE</a> it <a href="https://interviewquestions.tuteehub.com/tag/helps-1018140" style="font-weight:bold;" target="_blank" title="Click to know more about HELPS">HELPS</a> you <a href="https://interviewquestions.tuteehub.com/tag/mate-546851" style="font-weight:bold;" target="_blank" title="Click to know more about MATE">MATE</a> </p></body></html>


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