প্রশ্ন ও উত্তর
A man in a train notice that he can count 21 telephone posts in one minute. It they are known to be 50 meters apart, then at what speed is the train travelling?
গণিত পাটিগণিত 26 Nov, 2021
প্রশ্ন A man in a train notice that he can count 21 telephone posts in one minute. It they are known to be 50 meters apart, then at what speed is the train travelling?
সঠিক উত্তর
60 kmph
মন্তব্য
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