PUMPA - SMART LEARNING
எங்கள் ஆசிரியர்களுடன் 1-ஆன்-1 ஆலோசனை நேரத்தைப் பெறுங்கள். டாப்பர் ஆவதற்கு நாங்கள் பயிற்சி அளிப்போம்
Book Free DemoBoojho walks to his school which is at a distance of \(3\ km\) from his home in \(30\ minutes\). On reaching he finds that the school is closed and comes back by a bicycle with his friend and reaches home in \(20\ minutes\). His average speed in \(km/h\) is
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