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if a man Travels 65 km in 3 days by walking 7 whole 1 upon 2 hours in a day in how many days will he travel 156 kilometre by walking 8 hours in a day |
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Answer» Answer: EVERY day he walks 7.5 hrs So in three days he walks 7.5×3 =22.5hrs And he TRAVELLED 65km in these 22.5hrs So the speed = distance/TIME = 65/22.5 = 2.88km/hr Speed of the MAN will remain same, So time = distance/speed = 156/2.88 = 54 hrs Everyday he walks 8hrs, so for 54 hrs, he has to walk 54/8 = 6.75 days (This is the correct solution, already in NCERT Book) |
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